Remove MIPS support

sdk/bin/pub

 #!/usr/bin/env bash
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # Run pub.dart on the Dart VM. This script is only used when running pub from
 # within the Dart source repo. The shipped SDK instead uses "pub_sdk", which is
 # renamed to "pub" when the SDK is built.
 
 function follow_links() {
@@ skipping 29 matching lines @@
 if [[ $DART_VM_OPTIONS ]]; then
   read -a OPTIONS <<< "$DART_VM_OPTIONS"
   VM_OPTIONS+=("${OPTIONS[@]}")
 fi
 
 if [ -z "$DART_CONFIGURATION" ];
 then
   DIRS=$( ls "$OUT_DIR" )
   # list of possible configurations in decreasing desirability
   CONFIGS=("ReleaseX64" "ReleaseIA32" "DebugX64" "DebugIA32"
-    "ReleaseARM"    "ReleaseARM64"    "ReleaseARMV5TE"    "ReleaseMIPS"
-    "DebugARM"      "DebugARM64"      "DebugARMV5TE"      "DebugMIPS")
+    "ReleaseARM"    "ReleaseARM64"    "ReleaseARMV5TE"
+    "DebugARM"      "DebugARM64"      "DebugARMV5TE")
   DART_CONFIGURATION="None"
   for CONFIG in ${CONFIGS[*]}
   do
     for DIR in $DIRS;
     do
       if [ "$CONFIG" = "$DIR" ];
       then
         # choose most desirable configuration that is available and break
         DART_CONFIGURATION="$DIR"
         break 2
@@ skipping 14 matching lines @@
   BUILD_DIR="$SDK_DIR/../out/$DART_CONFIGURATION"
 fi
 
 # Use the Dart binary in the built SDK so pub can find the version file next
 # to it.
 DART="$BUILD_DIR/dart-sdk/bin/dart"
 
 # Run pub.
 PUB="$SDK_DIR/../third_party/pkg/pub/bin/pub.dart"
 exec "$DART" "--packages=$SDK_DIR/../.packages" "${VM_OPTIONS[@]}" "$PUB" "$@"