Remove some unused constants. NFC (#5072)

TABLE_BASE usage was removed in #3211.
MEMORY_BASE usage was removed in #3089.
NEW_SIZE usage was removed in #3180.

Author: sbc100

src/shared-constants.h

@@ -21,10 +21,7 @@
 
 namespace wasm {
 
-extern Name MEMORY_BASE;
-extern Name TABLE_BASE;
 extern Name STACK_POINTER;
-extern Name NEW_SIZE;
 extern Name MODULE;
 extern Name START;
 extern Name FUNC;

src/wasm/wasm.cpp

@@ -54,10 +54,7 @@ const char* MultiMemoriesFeature = "multi-memories";
 } // namespace UserSections
 } // namespace BinaryConsts
 
-Name MEMORY_BASE("__memory_base");
-Name TABLE_BASE("__table_base");
 Name STACK_POINTER("__stack_pointer");
-Name NEW_SIZE("newSize");
 Name MODULE("module");
 Name START("start");
 Name GLOBAL("global");