remove mips dsp detect.

unit_test/cpu_test.cc

Index: unit_test/cpu_test.cc
diff --git a/unit_test/cpu_test.cc b/unit_test/cpu_test.cc
index b084c0a1f48e56352e3a9c503385d4eea28103eb..1ec876a2425e4855616ec8349fb719475bdac707 100644
--- a/unit_test/cpu_test.cc
+++ b/unit_test/cpu_test.cc
@@ -48,8 +48,6 @@ TEST_F(LibYUVBaseTest, TestCpuHas) {
   printf("Has AVX3 %x\n", has_avx3);
   int has_mips = TestCpuFlag(kCpuHasMIPS);
   printf("Has MIPS %x\n", has_mips);
-  int has_mips_dsp = TestCpuFlag(kCpuHasMIPS_DSP);
-  printf("Has MIPS DSP %x\n", has_mips_dsp);
   int has_mips_dspr2 = TestCpuFlag(kCpuHasMIPS_DSPR2);
   printf("Has MIPS DSPR2 %x\n", has_mips_dspr2);
 }