tree 0fc74575a9555416cb1198e76fd2bf63e9bc2c22
parent ecd63bb219825dea6a03496527e8ea8565cf963a
author Thomas Van Lenten <thomasvl@google.com> 1663677356 -0400
committer Thomas Van Lenten <thomasvl@google.com> 1663960173 -0400

Remove the pre Xcode 10.2 support.

objectivec/README.md lists Xcode 10.2 as the minimum, update things accordingly.

- Remove code paths referencing the older versions.
- Remove support from the testing script.