Revert "lambda: Add support for invoke-interface for boxed innate lambdas"

955-lambda is flaky

Bug: 24618608
Bug: 25107649

This reverts commit 457e874459ae638145cab6d572e34d48480e39d2.

Change-Id: I24884344d21d7a4262e53e3f5dba57032687ddb7
diff --git a/runtime/art_field.h b/runtime/art_field.h
index 4ebe6fb..a943a34 100644
--- a/runtime/art_field.h
+++ b/runtime/art_field.h
@@ -191,9 +191,7 @@
   }
 
  private:
-  mirror::Class* AnyProxyFindSystemClass(const char* descriptor)
-      SHARED_REQUIRES(Locks::mutator_lock_);
-  mirror::Class* LambdaProxyFindSystemClass(const char* descriptor)
+  mirror::Class* ProxyFindSystemClass(const char* descriptor)
       SHARED_REQUIRES(Locks::mutator_lock_);
   mirror::Class* ResolveGetType(uint32_t type_idx) SHARED_REQUIRES(Locks::mutator_lock_);
   mirror::String* ResolveGetStringName(Thread* self, const DexFile& dex_file, uint32_t string_idx,