Revert "Basic obsolete methods support"

This reverts commit d8936da27b792d1ca02e59c92456a1a53c7b9905.

Reason for revert: Some sort of race in JIT

Change-Id: Ibb4e520bb0721d6d7aa2c841a52eb5baff07740e
diff --git a/runtime/interpreter/interpreter_common.h b/runtime/interpreter/interpreter_common.h
index 02a99e7..c9a5b44 100644
--- a/runtime/interpreter/interpreter_common.h
+++ b/runtime/interpreter/interpreter_common.h
@@ -249,16 +249,17 @@
     }
   }
   ArtMethod* method = shadow_frame.GetMethod();
+  ObjPtr<mirror::Class> declaring_class = method->GetDeclaringClass();
   // MethodVerifier refuses methods with string_idx out of bounds.
   DCHECK_LT(string_idx.index_ % mirror::DexCache::kDexCacheStringCacheSize,
-            method->GetDexFile()->NumStringIds());
+            declaring_class->GetDexFile().NumStringIds());
   ObjPtr<mirror::String> string_ptr =
-      mirror::StringDexCachePair::Lookup(method->GetDexCacheStrings(),
+      mirror::StringDexCachePair::Lookup(declaring_class->GetDexCacheStrings(),
                                          string_idx.index_,
                                          mirror::DexCache::kDexCacheStringCacheSize).Read();
   if (UNLIKELY(string_ptr == nullptr)) {
     StackHandleScope<1> hs(self);
-    Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache()));
+    Handle<mirror::DexCache> dex_cache(hs.NewHandle(declaring_class->GetDexCache()));
     string_ptr = Runtime::Current()->GetClassLinker()->ResolveString(*method->GetDexFile(),
                                                                      string_idx,
                                                                      dex_cache);