python: Fix re-execution problem due to patching configure and configure.in

There was a patch patching both configure and configure.in. Since the recipes
all autoreconf, this is pointless and means subsequent patch tasks fail.

The fix is to only patch configure.in.

[YOCTO #2194]

(From OE-Core rev: 1d8c40d5f2119b4c4ae8a9b2645ae572ea9a54ff)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python-native/sys_platform_is_now_always_linux2.patch

@@ -14,17 +14,6 @@ Issue #12326: sys.platform is now always 'linux2' on Linux
 
 Even if Python is compiled on Linux 3.
 
-diff --git a/configure b/configure
---- a/configure
-+++ b/configure
-@@ -2995,6 +2995,7 @@ then
- 	MACHDEP="$ac_md_system$ac_md_release"
- 
- 	case $MACHDEP in
-+	linux*) MACHDEP="linux2";;
- 	cygwin*) MACHDEP="cygwin";;
- 	darwin*) MACHDEP="darwin";;
- 	atheos*) MACHDEP="atheos";;
 diff --git a/configure.in b/configure.in
 --- a/configure.in
 +++ b/configure.in