Remove pkg/bootstrap from our go distribution
am: 817bd2eb73

Change-Id: I3420d397a63e00494372375a4e813cc112e6f632
diff --git a/build-prebuilts.sh b/build-prebuilts.sh
index f70b699..613b593 100755
--- a/build-prebuilts.sh
+++ b/build-prebuilts.sh
@@ -84,6 +84,7 @@
         export GOROOT_FINAL=./prebuilts/go/${OS}-x86
         export GO_TEST_TIMEOUT_SCALE=100
         ./make.bash
+        rm -rf ../pkg/bootstrap
         GOROOT=$(pwd)/.. ../bin/go install -race std
     )
     (