[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.

Reviewers: benhamilton, aaron.ballman

Reviewed By: aaron.ballman

Subscribers: Eugene.Zelenko, xazax.hun, cfe-commits

Tags: #clang-tools-extra

Differential Revision: https://reviews.llvm.org/D56945

llvm-svn: 351921
diff --git a/clang-tools-extra/clang-tidy/objc/PropertyDeclarationCheck.h b/clang-tools-extra/clang-tidy/objc/PropertyDeclarationCheck.h
index d28bde4..49af5df 100644
--- a/clang-tools-extra/clang-tidy/objc/PropertyDeclarationCheck.h
+++ b/clang-tools-extra/clang-tidy/objc/PropertyDeclarationCheck.h
@@ -10,8 +10,6 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_OBJC_PROPERTY_DECLARATION_H
 
 #include "../ClangTidy.h"
-#include <string>
-#include <vector>
 
 namespace clang {
 namespace tidy {
@@ -27,15 +25,10 @@
 /// http://clang.llvm.org/extra/clang-tidy/checks/objc-property-declaration.html
 class PropertyDeclarationCheck : public ClangTidyCheck {
 public:
-  PropertyDeclarationCheck(StringRef Name, ClangTidyContext *Context);
+  PropertyDeclarationCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
-  void storeOptions(ClangTidyOptions::OptionMap &Options) override;
-
-private:
-  const std::vector<std::string> SpecialAcronyms;
-  const bool IncludeDefaultAcronyms;
-  std::vector<std::string> EscapedAcronyms;
 };
 
 } // namespace objc