Fix build/mac/edit_xibs.sh for gyp_main.py

R=thakis@chromium.org
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/23717053

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@223411 0039d316-1c4b-4281-b951-d872f2087c98

build/mac/edit_xibs.sh

@@ -12,6 +12,6 @@ set -e
 
 RELSRC=$(dirname "$0")/../..
 SRC=$(cd "$RELSRC" && pwd)
-GYP_GENERATORS=xcode python "$SRC/tools/gyp/gyp" "$SRC/chrome/chrome_nibs.gyp"
+GYP_GENERATORS=xcode "$SRC/tools/gyp/gyp" "$SRC/chrome/chrome_nibs.gyp"
 echo "You can now edit XIB files in Xcode using:"
 echo "  $SRC/chrome/chrome_nibs.xcodeproj"