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, 46 deletions

diff --git a/Lib/lib2to3/fixes/fix_zip.py b/Lib/lib2to3/fixes/fix_zip.py
deleted file mode 100644
index 52c28df..0000000
--- a/Lib/lib2to3/fixes/fix_zip.py
+++ /dev/null
@@ -1,46 +0,0 @@
-"""
-Fixer that changes zip(seq0, seq1, ...) into list(zip(seq0, seq1, ...)
-unless there exists a 'from future_builtins import zip' statement in the
-top-level namespace.
-
-We avoid the transformation if the zip() call is directly contained in
-iter(<>), list(<>), tuple(<>), sorted(<>), ...join(<>), or for V in <>:.
-"""
-
-# Local imports
-from .. import fixer_base
-from ..pytree import Node
-from ..pygram import python_symbols as syms
-from ..fixer_util import Name, ArgList, in_special_context
-
-
-class FixZip(fixer_base.ConditionalFix):
-
-    BM_compatible = True
-    PATTERN = """
-    power< 'zip' args=trailer< '(' [any] ')' > [trailers=trailer*]
-    >
-    """
-
-    skip_on = "future_builtins.zip"
-
-    def transform(self, node, results):
-        if self.should_skip(node):
-            return
-
-        if in_special_context(node):
-            return None
-
-        args = results['args'].clone()
-        args.prefix = ""
-
-        trailers = []
-        if 'trailers' in results:
-            trailers = [n.clone() for n in results['trailers']]
-            for n in trailers:
-                n.prefix = ""
-
-        new = Node(syms.power, [Name("zip"), args], prefix="")
-        new = Node(syms.power, [Name("list"), ArgList([new])] + trailers)
-        new.prefix = node.prefix
-        return new