Revert of [regexp] Port RegExp getters and setters

src/heap-symbols.h

Index: src/heap-symbols.h
diff --git a/src/heap-symbols.h b/src/heap-symbols.h
index 5dc88a6e1ee6f97be4d69c77d020430e95da9995..7306275498b19738472993ebc0a0994cc5e5ed6b 100644
--- a/src/heap-symbols.h
+++ b/src/heap-symbols.h
@@ -75,7 +75,6 @@
   V(get_string, "get")                                             \
   V(global_string, "global")                                       \
   V(has_string, "has")                                             \
-  V(ignoreCase_string, "ignoreCase")                               \
   V(illegal_access_string, "illegal access")                       \
   V(illegal_argument_string, "illegal argument")                   \
   V(index_string, "index")                                         \
@@ -98,7 +97,6 @@
   V(message_string, "message")                                     \
   V(minus_infinity_string, "-Infinity")                            \
   V(minus_zero_string, "-0")                                       \
-  V(multiline_string, "multiline")                                 \
   V(name_string, "name")                                           \
   V(nan_string, "NaN")                                             \
   V(next_string, "next")                                           \
@@ -132,7 +130,6 @@
   V(source_url_string, "source_url")                               \
   V(stack_string, "stack")                                         \
   V(stackTraceLimit_string, "stackTraceLimit")                     \
-  V(sticky_string, "sticky")                                       \
   V(strict_compare_ic_string, "===")                               \
   V(string_string, "string")                                       \
   V(String_string, "String")                                       \
@@ -154,7 +151,6 @@
   V(Uint8x16_string, "Uint8x16")                                   \
   V(undefined_string, "undefined")                                 \
   V(undefined_to_string, "[object Undefined]")                     \
-  V(unicode_string, "unicode")                                     \
   V(URIError_string, "URIError")                                   \
   V(valueOf_string, "valueOf")                                     \
   V(values_string, "values")                                       \
@@ -199,7 +195,6 @@
   V(promise_reject_reactions_symbol)        \
   V(promise_result_symbol)                  \
   V(promise_state_symbol)                   \
-  V(regexp_last_match_info_symbol)          \
   V(sealed_symbol)                          \
   V(stack_trace_symbol)                     \
   V(strict_function_transition_symbol)      \