Revert "Define a java_runtime and toolchain bazel targets for JDK11." am: 5916c1554b

Original change: https://android-review.googlesource.com/c/platform/prebuilts/jdk/jdk11/+/1795130

Change-Id: I8428a0c5bad8c8a452def0d38a6c4e35673556ed
tree: c9976c54131d897d9bbe1c78f537e2e625199e2b
  1. darwin-x86/
  2. linux-x86/
  3. manifest.xml
  4. update.sh