Issue #28046: Remove platform-specific directories from sys.path
diff --git a/configure b/configure
index fae0791..1651048 100755
--- a/configure
+++ b/configure
@@ -712,7 +712,6 @@
 NO_AS_NEEDED
 MULTIARCH_CPPFLAGS
 PLATFORM_TRIPLET
-PLATDIR
 MULTIARCH
 ac_ct_CXX
 MAINCC
@@ -2929,7 +2928,7 @@
 	fi
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: $interp" >&5
 $as_echo "$interp" >&6; }
-	PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR) '$interp
+	PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib '$interp
     fi
     # Used to comment out stuff for rebuilding generated files
     GENERATED_COMMENT='#'
@@ -5361,12 +5360,6 @@
 elif test x$PLATFORM_TRIPLET != x && test x$MULTIARCH = x; then
   MULTIARCH=$PLATFORM_TRIPLET
 fi
-if test x$PLATFORM_TRIPLET = x; then
-  PLATDIR=plat-$MACHDEP
-else
-  PLATDIR=plat-$PLATFORM_TRIPLET
-fi
-
 
 if test x$MULTIARCH != x; then
   MULTIARCH_CPPFLAGS="-DMULTIARCH=\\\"$MULTIARCH\\\""