Delete several unused GYP scripts from build/mac and chrome/tools/build/mac.

build/mac/strip_from_xcode

-#!/bin/bash
-
-# Copyright (c) 2008 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This is a handy wrapper script that figures out how to call the strip
-# utility (strip_save_dsym in this case), if it even needs to be called at all,
-# and then does it.  This script should be called by a post-link phase in
-# targets that might generate Mach-O executables, dynamic libraries, or
-# loadable bundles.
-#
-# An example "Strip If Needed" build phase placed after "Link Binary With
-# Libraries" would do:
-# exec "${XCODEPROJ_DEPTH}/build/mac/strip_from_xcode"
-
-if [ "${CONFIGURATION}" != "Release" ] ; then
-  # Only strip in release mode.
-  exit 0
-fi
-
-declare -a FLAGS
-
-# MACH_O_TYPE is not set for a command-line tool, so check PRODUCT_TYPE too.
-# Weird.
-if [ "${MACH_O_TYPE}" = "mh_execute" ] || \
-   [ "${PRODUCT_TYPE}" = "com.apple.product-type.tool" ] ; then
-  # Strip everything (no special flags).  No-op.
-  true
-elif [ "${MACH_O_TYPE}" = "mh_dylib" ] || \
-     [ "${MACH_O_TYPE}" = "mh_bundle" ]; then
-  # Strip debugging symbols and local symbols
-  FLAGS[${#FLAGS[@]}]=-S
-  FLAGS[${#FLAGS[@]}]=-x
-elif [ "${MACH_O_TYPE}" = "staticlib" ] ; then
-  # Don't strip static libraries.
-  exit 0
-else
-  # Warn, but don't treat this as an error.
-  echo $0: warning: unrecognized MACH_O_TYPE ${MACH_O_TYPE}
-  exit 0
-fi
-
-if [ -n "${STRIPFLAGS}" ] ; then
-  # Pick up the standard STRIPFLAGS Xcode setting, used for "Additional Strip
-  # Flags".
-  for stripflag in "${STRIPFLAGS}" ; do
-    FLAGS[${#FLAGS[@]}]="${stripflag}"
-  done
-fi
-
-if [ -n "${CHROMIUM_STRIP_SAVE_FILE}" ] ; then
-  # An Xcode project can communicate a file listing symbols to saved in this
-  # environment variable by setting it as a build setting.  This isn't a
-  # standard Xcode setting.  It's used in preference to STRIPFLAGS to
-  # eliminate quoting ambiguity concerns.
-  FLAGS[${#FLAGS[@]}]=-s
-  FLAGS[${#FLAGS[@]}]="${CHROMIUM_STRIP_SAVE_FILE}"
-fi
-
-exec "$(dirname ${0})/strip_save_dsym" "${FLAGS[@]}" \
-     "${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}"