MIPS: Remove clang-format-off from assembler tests.

test/cctest/test-assembler-mips.cc

Index: test/cctest/test-assembler-mips.cc
diff --git a/test/cctest/test-assembler-mips.cc b/test/cctest/test-assembler-mips.cc
index 16aa8efbee6a957c216fc4fecabea02921bc1182..f9f03e3248324e5b23c3be2cba63093e68bf0d2d 100644
--- a/test/cctest/test-assembler-mips.cc
+++ b/test/cctest/test-assembler-mips.cc
@@ -47,8 +47,6 @@ typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4);
 typedef Object* (*F2)(int x, int y, int p2, int p3, int p4);
 typedef Object* (*F3)(void* p, int p1, int p2, int p3, int p4);
 
-// clang-format off
-
 
 #define __ assm.