Tkinter, step 5: remove lib-tk subdirectory and update all places where it was mentioned.
diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index 1c07158..6c201c9 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -94,11 +94,7 @@
MACHDEPPATH=:plat-$(MACHDEP)
EXTRAMACHDEPPATH=
-# Path component for the Tkinter-related modules
-# The TKPATH variable is always enabled, to save you the effort.
-TKPATH=:lib-tk
-
-COREPYTHONPATH=$(DESTPATH)$(SITEPATH)$(TESTPATH)$(MACHDEPPATH)$(EXTRAMACHDEPPATH)$(TKPATH)
+COREPYTHONPATH=$(DESTPATH)$(SITEPATH)$(TESTPATH)$(MACHDEPPATH)$(EXTRAMACHDEPPATH)
PYTHONPATH=$(COREPYTHONPATH)