Bug 1165011 - Remove Symbol_isRegExp. r=jorendorff

--HG--
extra : rebase_source : ce22dcc8417877c2f9ea0fe5b7cb9121fe603d98

js/src/vm/CommonPropertyNames.h

@@ -271,7 +271,6 @@
     macro(Symbol_create, Symbol_create, "Symbol.create") \
     macro(Symbol_hasInstance, Symbol_hasInstance, "Symbol.hasInstance") \
     macro(Symbol_isConcatSpreadable, Symbol_isConcatSpreadable, "Symbol.isConcatSpreadable") \
-    macro(Symbol_isRegExp, Symbol_isRegExp, "Symbol.isRegExp") \
     macro(Symbol_iterator, Symbol_iterator, "Symbol.iterator") \
     macro(Symbol_match,    Symbol_match,    "Symbol.match") \
     macro(Symbol_species,  Symbol_species,  "Symbol.species") \