Add a few things to EXPORTED_RUNTIME_METHODS (#4201)

Instead of patching them in `pre.js`

Makefile.envs

@@ -121,7 +121,7 @@ export MAIN_MODULE_LDFLAGS= $(LDFLAGS_BASE) \
 	-s EXPORT_NAME="'_createPyodideModule'" \
 	-s EXPORT_EXCEPTION_HANDLING_HELPERS \
 	-s EXCEPTION_CATCHING_ALLOWED=['we only want to allow exception handling in side modules'] \
-	-sEXPORTED_RUNTIME_METHODS='stackAlloc,stackRestore,stackSave' \
+	-sEXPORTED_RUNTIME_METHODS='wasmTable,ERRNO_CODES' \
 	-s DEMANGLE_SUPPORT=1 \
 	-s USE_ZLIB \
 	-s USE_BZIP2 \

src/core/_pyodide_core.c

@@ -39,17 +39,11 @@ static struct PyModuleDef core_module_def = {
   .m_size = -1,
 };
 
+EM_JS_DEPS(pyodide_core_deps, "stackAlloc,stackRestore,stackSave");
 PyObject*
 PyInit__pyodide_core(void)
 {
   EM_ASM({
-    // Emscripten doesn't make UTF8ToString or wasmTable available on Module by
-    // default...
-    Module.UTF8ToString = UTF8ToString;
-    Module.wasmTable = wasmTable;
-    // Emscripten has a bug where it accidentally exposes an empty object as
-    // Module.ERRNO_CODES
-    Module.ERRNO_CODES = ERRNO_CODES;
     // sourmash needs open64 to mean the same thing as open.
     // Emscripten 3.1.44 seems to have removed it??
     wasmImports["open64"] = wasmImports["open"];