Drop build-tools/sysroot symlink.

Now that all references to build/build-tools/sysroot
has been changed to build/kernel/build-tools/sysroot properly,
the symlink may be dropped.

Test: TH
Bug: 204425264
Change-Id: If774e4cbd93216bea90388b3ff5f6bfccfdba870
1 file changed
tree: 4ebac68edcb89905d738e88f6c352f20d1439cca
  1. default.xml