revert change unapplicable to 3.1
diff --git a/configure b/configure
index fcb6fd5..5253b86 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in Revision: 78474 .
+# From configure.in Revision: 78197 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for python 3.1.
#
@@ -23670,9 +23670,6 @@
#define Py_UNICODE_SIZE 2
_ACEOF
;;
-*) { { echo "$as_me:$LINENO: error: invalid value for --enable-unicode. Use either ucs2 or ucs4 (lowercase)." >&5
-echo "$as_me: error: invalid value for --enable-unicode. Use either ucs2 or ucs4 (lowercase)." >&2;}
- { (exit 1); exit 1; }; } ;;
esac
diff --git a/configure.in b/configure.in
index 1add723..f5d0342 100644
--- a/configure.in
+++ b/configure.in
@@ -3529,7 +3529,6 @@
case "$unicode_size" in
4) AC_DEFINE(Py_UNICODE_SIZE, 4) ;;
*) AC_DEFINE(Py_UNICODE_SIZE, 2) ;;
-*) AC_MSG_ERROR([invalid value for --enable-unicode. Use either ucs2 or ucs4 (lowercase).]) ;;
esac
AH_TEMPLATE(PY_UNICODE_TYPE,