[clang-tidy] Delete obsolete objc-property-declaration options ✂️

Summary:
The Acronyms and IncludeDefaultAcronyms options were deprecated in
https://reviews.llvm.org/D51832. These options can be removed.

Tested by running the clang-tidy tests.

This is an amended resubmission of https://reviews.llvm.org/D56945.

Reviewers: Eugene.Zelenko, aaron.ballman

Reviewed By: aaron.ballman

Subscribers: xazax.hun, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D57080

llvm-svn: 354195