Remove MIPS support

build/toolchain/android/BUILD.gn

 # Copyright 2013 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.
 
 import("//build/config/sysroot.gni")  # Imports android/config.gni.
 import("//build/toolchain/ccache.gni")
 import("//build/toolchain/clang.gni")
 import("//build/toolchain/goma.gni")
 import("//build/toolchain/gcc_toolchain.gni")
 
@@ skipping 114 matching lines @@
 }
 
 android_gcc_toolchains_helper("arm") {
   android_ndk_sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
   android_ndk_lib_dir = "usr/lib"
 
   tool_prefix = "$arm_android_toolchain_root/bin/arm-linux-androideabi-"
   toolchain_cpu = "arm"
 }
 
-android_gcc_toolchains_helper("mipsel") {
-  android_ndk_sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
-  android_ndk_lib_dir = "usr/lib"
-
-  tool_prefix = "$mips_android_toolchain_root/bin/mipsel-linux-android-"
-  toolchain_cpu = "mipsel"
-}
-
 android_gcc_toolchains_helper("x64") {
   android_ndk_sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
   android_ndk_lib_dir = "usr/lib64"
 
   tool_prefix = "$x86_64_android_toolchain_root/bin/x86_64-linux-android-"
   toolchain_cpu = "x86_64"
 }
 
 android_gcc_toolchains_helper("arm64") {
   android_ndk_sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
   android_ndk_lib_dir = "usr/lib"
 
   tool_prefix = "$arm64_android_toolchain_root/bin/aarch64-linux-android-"
   toolchain_cpu = "aarch64"
 }
-
-android_gcc_toolchains_helper("mips64el") {
-  android_ndk_sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
-  android_ndk_lib_dir = "usr/lib64"
-
-  tool_prefix = "$mips64_android_toolchain_root/bin/mipsel-linux-android-"
-  toolchain_cpu = "mipsel64el"
-}