Deleted this long-obsolete module

Lib/regexp.py

-# Provide backward compatibility for module "regexp" using "regex".
-
-import regex
-from regex_syntax import *
-
-class Prog:
-	def __init__(self, pat):
-		save_syntax = regex.set_syntax(RE_SYNTAX_AWK)
-		try:
-			self.prog = regex.compile(pat)
-		finally:
-			xxx = regex.set_syntax(save_syntax)
-	def match(self, str, offset = 0):
-		if self.prog.search(str, offset) < 0:
-			return ()
-		regs = self.prog.regs
-		i = len(regs)
-		while i > 0 and regs[i-1] == (-1, -1):
-			i = i-1
-		return regs[:i]
-
-def compile(pat):
-	return Prog(pat)
-
-cache_pat = None
-cache_prog = None
-
-def match(pat, str):
-	global cache_pat, cache_prog
-	if pat <> cache_pat:
-		cache_pat, cache_prog = pat, compile(pat)
-	return cache_prog.match(str)