Revert "Define a java_runtime and toolchain bazel targets for JDK11." am: 5916c1554b am: 7ed44f0a6f

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

Change-Id: I0c717b1c78239c3ca368c77b458eb86f09b63018
tree: c9976c54131d897d9bbe1c78f537e2e625199e2b
  1. darwin-x86/
  2. linux-x86/
  3. manifest.xml
  4. update.sh