Revert "Use checked-in .package file for building and testing"

sdk/bin/dart2js

Index: sdk/bin/dart2js
diff --git a/sdk/bin/dart2js b/sdk/bin/dart2js
index 248ab07de30f9cee3fab6f2207ae651d5c778955..17559bf13b9abd7caae671c953d10a041418bfbf 100755
--- a/sdk/bin/dart2js
+++ b/sdk/bin/dart2js
@@ -52,41 +52,4 @@ DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
 
 DART2JS="$DART_ROOT/pkg/compiler/lib/src/dart2js.dart"
 
-if [[ `uname` == 'Darwin' ]]; then
-  OUT_DIR="$DART_ROOT/xcodebuild/"
-else
-  OUT_DIR="$DART_ROOT/out/"
-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")
-  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
-      fi
-    done
-  done
-  if [ "$DART_CONFIGURATION" = "None" ]
-  then
-    echo "No valid dart configuration found in $OUT_DIR"
-    exit 1
-  fi
-fi
-
-BUILD_DIR="$OUT_DIR$DART_CONFIGURATION"
-
-PACKAGE_ROOT="$BUILD_DIR/packages/"
-
-exec "$DART" "${EXTRA_VM_OPTIONS[@]}" "--package-root=$PACKAGE_ROOT" "$DART2JS" "${EXTRA_OPTIONS[@]}" "$@"
+exec "$DART" "${EXTRA_VM_OPTIONS[@]}" "$DART2JS" "${EXTRA_OPTIONS[@]}" "$@"