Remove unused getDylinkMetadata in wasm_patches

Author: mcbarton

wasm_patches/post.js

@@ -5,8 +5,7 @@ if (!('wasmTable' in Module)) {
 Module.FS = FS
 Module.PATH = PATH
 Module.LDSO = LDSO
-Module.getDylinkMetadata = getDylinkMetadata
 Module.loadDynamicLibrary = loadDynamicLibrary
 
 Module.UTF8ToString = UTF8ToString;
-Module.ERRNO_CODES = ERRNO_CODES;
+Module.ERRNO_CODES = ERRNO_CODES;