Revert "Try fix WASM build with Py_DEBUG"

This reverts commit 1a6b81b.
This reverts commit cb04312.

Author: XuehaiPan

Lib/sysconfig/__main__.py

@@ -160,6 +160,13 @@ def _print_config_dict(d, stream):
     print ("}", file=stream)
 
 
+def _get_pybuilddir():
+    pybuilddir = f'build/lib.{get_platform()}-{get_python_version()}'
+    if get_config_var('Py_DEBUG'):
+        pybuilddir += '-pydebug'
+    return pybuilddir
+
+
 def _get_json_data_name():
     name = _get_sysconfigdata_name()
     assert name.startswith('_sysconfigdata')
@@ -213,7 +220,7 @@ def _generate_posix_vars():
     module.build_time_vars = vars
     sys.modules[name] = module
 
-    pybuilddir = f'build/lib.{get_platform()}-{get_python_version()}'
+    pybuilddir = _get_pybuilddir()
     os.makedirs(pybuilddir, exist_ok=True)
     destfile = os.path.join(pybuilddir, name + '.py')