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diff --git a/deps/node/deps/icu-small/source/i18n/rbt_data.h b/deps/node/deps/icu-small/source/i18n/rbt_data.h
deleted file mode 100644
index 52a961dd..00000000
--- a/deps/node/deps/icu-small/source/i18n/rbt_data.h
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@@ -1,154 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-**********************************************************************
-* Copyright (C) 1999-2007, International Business Machines Corporation
-* and others. All Rights Reserved.
-**********************************************************************
-*   Date        Name        Description
-*   11/17/99    aliu        Creation.
-**********************************************************************
-*/
-#ifndef RBT_DATA_H
-#define RBT_DATA_H
-
-#include "unicode/utypes.h"
-#include "unicode/uclean.h"
-
-#if !UCONFIG_NO_TRANSLITERATION
-
-#include "unicode/uobject.h"
-#include "rbt_set.h"
-#include "hash.h"
-
-U_NAMESPACE_BEGIN
-
-class UnicodeFunctor;
-class UnicodeMatcher;
-class UnicodeReplacer;
-
-/**
- * The rule data for a RuleBasedTransliterators.  RBT objects hold
- * a const pointer to a TRD object that they do not own.  TRD objects
- * are essentially the parsed rules in compact, usable form.  The
- * TRD objects themselves are held for the life of the process in
- * a static cache owned by Transliterator.
- *
- * This class' API is a little asymmetric.  There is a method to
- * define a variable, but no way to define a set.  This is because the
- * sets are defined by the parser in a UVector, and the vector is
- * copied into a fixed-size array here.  Once this is done, no new
- * sets may be defined.  In practice, there is no need to do so, since
- * generating the data and using it are discrete phases.  When there
- * is a need to access the set data during the parse phase, another
- * data structure handles this.  See the parsing code for more
- * details.
- */
-class TransliterationRuleData : public UMemory {
-
-public:
-
-    // PUBLIC DATA MEMBERS
-
-    /**
-     * Rule table.  May be empty.
-     */
-    TransliterationRuleSet ruleSet;
-
-    /**
-     * Map variable name (String) to variable (UnicodeString).  A variable name
-     * corresponds to zero or more characters, stored in a UnicodeString in
-     * this hash.  One or more of these chars may also correspond to a
-     * UnicodeMatcher, in which case the character in the UnicodeString in this hash is
-     * a stand-in: it is an index for a secondary lookup in
-     * data.variables.  The stand-in also represents the UnicodeMatcher in
-     * the stored rules.
-     */
-    Hashtable variableNames;
-
-    /**
-     * Map category variable (UChar) to set (UnicodeFunctor).
-     * Variables that correspond to a set of characters are mapped
-     * from variable name to a stand-in character in data.variableNames.
-     * The stand-in then serves as a key in this hash to lookup the
-     * actual UnicodeFunctor object.  In addition, the stand-in is
-     * stored in the rule text to represent the set of characters.
-     * variables[i] represents character (variablesBase + i).
-     */
-    UnicodeFunctor** variables;
-
-    /**
-     * Flag that indicates whether the variables are owned (if a single
-     * call to Transliterator::createFromRules() produces a CompoundTransliterator
-     * with more than one RuleBasedTransliterator as children, they all share
-     * the same variables list, so only the first one is considered to own
-     * the variables)
-     */
-    UBool variablesAreOwned;
-
-    /**
-     * The character that represents variables[0].  Characters
-     * variablesBase through variablesBase +
-     * variablesLength - 1 represent UnicodeFunctor objects.
-     */
-    UChar variablesBase;
-
-    /**
-     * The length of variables.
-     */
-    int32_t variablesLength;
-
-public:
-
-    /**
-     * Constructor
-     * @param status Output param set to success/failure code on exit.
-     */
-    TransliterationRuleData(UErrorCode& status);
-
-    /**
-     * Copy Constructor
-     */
-    TransliterationRuleData(const TransliterationRuleData&);
-
-    /**
-     * destructor
-     */
-    ~TransliterationRuleData();
-
-    /**
-     * Given a stand-in character, return the UnicodeFunctor that it
-     * represents, or NULL if it doesn't represent anything.
-     * @param standIn    the given stand-in character.
-     * @return           the UnicodeFunctor that 'standIn' represents
-     */
-    UnicodeFunctor* lookup(UChar32 standIn) const;
-
-    /**
-     * Given a stand-in character, return the UnicodeMatcher that it
-     * represents, or NULL if it doesn't represent anything or if it
-     * represents something that is not a matcher.
-     * @param standIn    the given stand-in character.
-     * @return           return the UnicodeMatcher that 'standIn' represents
-     */
-    UnicodeMatcher* lookupMatcher(UChar32 standIn) const;
-
-    /**
-     * Given a stand-in character, return the UnicodeReplacer that it
-     * represents, or NULL if it doesn't represent anything or if it
-     * represents something that is not a replacer.
-     * @param standIn    the given stand-in character.
-     * @return           return the UnicodeReplacer that 'standIn' represents
-     */
-    UnicodeReplacer* lookupReplacer(UChar32 standIn) const;
-
-
-private:
-    TransliterationRuleData &operator=(const TransliterationRuleData &other); // forbid copying of this class
-};
-
-U_NAMESPACE_END
-
-#endif /* #if !UCONFIG_NO_TRANSLITERATION */
-
-#endif