Remove MIPS support

runtime/vm/cpuinfo_linux.cc

Index: runtime/vm/cpuinfo_linux.cc
diff --git a/runtime/vm/cpuinfo_linux.cc b/runtime/vm/cpuinfo_linux.cc
index 232b4091c59fbde308f242abaf18efab9ef4aa17..3289a1573984d4f9af87e4641532fde22c0fe5ae 100644
--- a/runtime/vm/cpuinfo_linux.cc
+++ b/runtime/vm/cpuinfo_linux.cc
@@ -12,7 +12,7 @@
 #include "platform/assert.h"
 
 // As with Windows, on IA32 and X64, we use the cpuid instruction.
-// The analogous instruction is privileged on ARM and MIPS, so we resort to
+// The analogous instruction is privileged on ARM, so we resort to
 // reading from /proc/cpuinfo.
 
 namespace dart {
@@ -45,14 +45,6 @@ void CpuInfo::InitOnce() {
   fields_[kCpuInfoArchitecture] = "CPU architecture";
   method_ = kCpuInfoSystem;
   ProcCpuInfo::InitOnce();
-#elif defined(HOST_ARCH_MIPS)
-  fields_[kCpuInfoProcessor] = "system type";
-  fields_[kCpuInfoModel] = "cpu model";
-  fields_[kCpuInfoHardware] = "cpu model";
-  fields_[kCpuInfoFeatures] = "ASEs implemented";
-  fields_[kCpuInfoArchitecture] = "CPU architecture";
-  method_ = kCpuInfoSystem;
-  ProcCpuInfo::InitOnce();
 #else
 #error Unrecognized target architecture
 #endif