Remove some hardcoded exports that can now be handled by JS __deps. NFC

See #18849

Author: sbc100

emcc.py

@@ -2413,11 +2413,6 @@ def phase_linker_setup(options, state, newargs):
       exit_with_error('-sPROXY_TO_PTHREAD requires -pthread to work!')
     settings.JS_LIBRARIES.append((0, 'library_pthread_stub.js'))
 
-  # TODO: Move this into the library JS file once it becomes possible.
-  # See https://github.com/emscripten-core/emscripten/pull/15982
-  if settings.INCLUDE_FULL_LIBRARY and not settings.DISABLE_EXCEPTION_CATCHING:
-    settings.EXPORTED_FUNCTIONS += ['___get_exception_message', '_free']
-
   if settings.MEMORY64:
     if settings.ASYNCIFY and settings.MEMORY64 == 1:
       exit_with_error('MEMORY64=1 is not compatible with ASYNCIFY')
@@ -2902,9 +2897,7 @@ def get_full_import_name(name):
     # What you need to do is different depending on the kind of EH you use
     # (https://github.com/emscripten-core/emscripten/issues/17115).
     settings.DEFAULT_LIBRARY_FUNCS_TO_INCLUDE += ['$getExceptionMessage', '$incrementExceptionRefcount', '$decrementExceptionRefcount']
-    settings.EXPORTED_FUNCTIONS += ['getExceptionMessage', '___get_exception_message', '_free']
-    if settings.WASM_EXCEPTIONS:
-      settings.EXPORTED_FUNCTIONS += ['___cpp_exception', '___cxa_increment_exception_refcount', '___cxa_decrement_exception_refcount', '___thrown_object_from_unwind_exception']
+    settings.EXPORTED_FUNCTIONS += ['getExceptionMessage']
 
   if settings.SIDE_MODULE:
     # For side modules, we ignore all REQUIRED_EXPORTS that might have been added above.