Revert "Fix the ART Buildbots using the master-art manifest."

Reverting as repo syncing later won't work, as this symlink is an untracked file.

Bug: 26051370
This reverts commit f1389288c6f642e16b5d9a06ef43f982dfeeb30d.

Change-Id: Idd41955710b4d3d5809e4f6bf963ed3a4cead126
diff --git a/tools/ b/tools/
index 37b4c48..02787fb 100755
--- a/tools/
+++ b/tools/
@@ -45,14 +45,6 @@
-# Workaround for b/26051370.
-# system/core/base/include/base has been renamed to
-# system/core/base/include/android-base, but the master-art manifest
-# is pinned to an older revision for system/core; create this symlink
-# by hand to fix include paths.
-test -e system/core/base/include/android-base || ln -s base system/core/base/include/android-base
 if [[ $mode == "host" ]]; then
   make_command="make $j_arg $showcommands build-art-host-tests $common_targets ${out_dir}/host/linux-x86/lib/ ${out_dir}/host/linux-x86/lib64/"
 elif [[ $mode == "target" ]]; then