Revert 8122 (stub call asserts) while test failures are investigated.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
===================================================================
--- src/arm/full-codegen-arm.cc	(revision 8124)
+++ src/arm/full-codegen-arm.cc	(working copy)
@@ -153,11 +153,6 @@
     __ bind(&ok);
   }
 
-  // Open a frame scope to indicate that there is a frame on the stack.  The
-  // MANUAL indicates that the scope shouldn't actually generate code to set up
-  // the frame (that is done below).
-  FrameScope frame_scope(masm_, StackFrame::MANUAL);
-
   int locals_count = scope()->num_stack_slots();
 
   __ Push(lr, fp, cp, r1);