Remove stray end of macro.

These lines used to be part of the definition of
SETUP_REFS_ONLY_CALLEE_SAVE_FRAME_PRESERVE_RTEMP2,
which has been deleted.

Test: ART target (ARM) tests.
Bug: 29259539
Change-Id: I4eda77cb739e58d387ffab61a127dc7bc24e2374
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index 0797def..d940164 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -88,12 +88,6 @@
 #endif
 .endm
 
-    // Ugly compile-time check, but we only have the preprocessor.
-#if (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE != 28 + 4)
-#error "REFS_ONLY_CALLEE_SAVE_FRAME(ARM) size not as expected."
-#endif
-.endm
-
 .macro RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME
     add sp, #4               @ bottom word holds Method*
     .cfi_adjust_cfa_offset -4