gh-104780: Remove 2to3 program and lib2to3 module (#104781)

* Remove the Tools/scripts/2to3 script.
* Remove the Lib/test/test_lib2to3/ directory.
* Doc/tools/extensions/pyspecific.py: remove the "2to3fixer" object
  type.
* Makefile and PC/layout/main.py no longer compile lib2to3 grammar
  files.
* Update Makefile for 2to3 removal.

1 files changed, 0 insertions, 39 deletions

diff --git a/Lib/lib2to3/fixes/fix_intern.py b/Lib/lib2to3/fixes/fix_intern.py
deleted file mode 100644
index d752843092a..00000000000
--- a/Lib/lib2to3/fixes/fix_intern.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# Copyright 2006 Georg Brandl.
-# Licensed to PSF under a Contributor Agreement.
-
-"""Fixer for intern().
-
-intern(s) -> sys.intern(s)"""
-
-# Local imports
-from .. import fixer_base
-from ..fixer_util import ImportAndCall, touch_import
-
-
-class FixIntern(fixer_base.BaseFix):
-    BM_compatible = True
-    order = "pre"
-
-    PATTERN = """
-    power< 'intern'
-           trailer< lpar='('
-                    ( not(arglist | argument<any '=' any>) obj=any
-                      | obj=arglist<(not argument<any '=' any>) any ','> )
-                    rpar=')' >
-           after=any*
-    >
-    """
-
-    def transform(self, node, results):
-        if results:
-            # I feel like we should be able to express this logic in the
-            # PATTERN above but I don't know how to do it so...
-            obj = results['obj']
-            if obj:
-                if (obj.type == self.syms.argument and
-                    obj.children[0].value in {'**', '*'}):
-                    return  # Make no change.
-        names = ('sys', 'intern')
-        new = ImportAndCall(node, results, names)
-        touch_import(None, 'sys', node)
-        return new