Remove MIPS support

runtime/vm/vm_sources.gypi

Index: runtime/vm/vm_sources.gypi
diff --git a/runtime/vm/vm_sources.gypi b/runtime/vm/vm_sources.gypi
index 32c2603eb1910432e7981ce827b199b785b9565f..f9d1e96cbea1711b3a50d7effb19a5928745d44d 100644
--- a/runtime/vm/vm_sources.gypi
+++ b/runtime/vm/vm_sources.gypi
@@ -25,9 +25,6 @@
     'assembler_ia32.cc',
     'assembler_ia32.h',
     'assembler_ia32_test.cc',
-    'assembler_mips.cc',
-    'assembler_mips.h',
-    'assembler_mips_test.cc',
     'assembler_test.cc',
     'assembler_x64.cc',
     'assembler_x64.h',
@@ -98,8 +95,6 @@
     'code_patcher_dbc.cc',
     'code_patcher_ia32.cc',
     'code_patcher_ia32_test.cc',
-    'code_patcher_mips.cc',
-    'code_patcher_mips_test.cc',
     'code_patcher_x64.cc',
     'code_patcher_x64_test.cc',
     'compiler.cc',
@@ -112,14 +107,12 @@
     'constants_arm.h',
     'constants_arm64.h',
     'constants_ia32.h',
-    'constants_mips.h',
     'constants_x64.h',
     'cpu.h',
     'cpu_arm.cc',
     'cpu_arm64.cc',
     'cpu_dbc.cc',
     'cpu_ia32.cc',
-    'cpu_mips.cc',
     'cpu_test.cc',
     'cpu_x64.cc',
     'cpuid.h',
@@ -152,7 +145,6 @@
     'debugger_arm64.cc',
     'debugger_dbc.cc',
     'debugger_ia32.cc',
-    'debugger_mips.cc',
     'debugger_x64.cc',
     'deferred_objects.cc',
     'deferred_objects.h',
@@ -164,7 +156,6 @@
     'disassembler_arm64.cc',
     'disassembler_dbc.cc',
     'disassembler_ia32.cc',
-    'disassembler_mips.cc',
     'disassembler_test.cc',
     'disassembler_x64.cc',
     'double_conversion.cc',
@@ -195,7 +186,6 @@
     'flow_graph_compiler_arm64.cc',
     'flow_graph_compiler_dbc.cc',
     'flow_graph_compiler_ia32.cc',
-    'flow_graph_compiler_mips.cc',
     'flow_graph_compiler_x64.cc',
     'flow_graph_inliner.cc',
     'flow_graph_inliner.h',
@@ -240,9 +230,6 @@
     'instructions_ia32.cc',
     'instructions_ia32.h',
     'instructions_ia32_test.cc',
-    'instructions_mips.cc',
-    'instructions_mips.h',
-    'instructions_mips_test.cc',
     'instructions_x64.cc',
     'instructions_x64.h',
     'instructions_x64_test.cc',
@@ -252,7 +239,6 @@
     'intermediate_language_arm64.cc',
     'intermediate_language_dbc.cc',
     'intermediate_language_ia32.cc',
-    'intermediate_language_mips.cc',
     'intermediate_language_test.cc',
     'intermediate_language_x64.cc',
     'intrinsifier.cc',
@@ -261,7 +247,6 @@
     'intrinsifier_arm64.cc',
     'intrinsifier_dbc.cc',
     'intrinsifier_ia32.cc',
-    'intrinsifier_mips.cc',
     'intrinsifier_x64.cc',
     'isolate.cc',
     'isolate.h',
@@ -292,7 +277,6 @@
     'malloc_hooks_arm.cc',
     'malloc_hooks_arm64.cc',
     'malloc_hooks_ia32.cc',
-    'malloc_hooks_mips.cc',
     'malloc_hooks_x64.cc',
     'malloc_hooks.h',
     'malloc_hooks_test.cc',
@@ -338,7 +322,6 @@
     'object_id_ring.cc',
     'object_id_ring.h',
     'object_id_ring_test.cc',
-    'object_mips_test.cc',
     'object_reload.cc',
     'object_service.cc',
     'object_set.h',
@@ -436,7 +419,6 @@
     'runtime_entry_arm64.cc',
     'runtime_entry_dbc.cc',
     'runtime_entry_ia32.cc',
-    'runtime_entry_mips.cc',
     'runtime_entry.cc',
     'runtime_entry_x64.cc',
     'safepoint.cc',
@@ -471,8 +453,6 @@
     'simulator_arm64.h',
     'simulator_dbc.cc',
     'simulator_dbc.h',
-    'simulator_mips.cc',
-    'simulator_mips.h',
     'snapshot.cc',
     'snapshot.h',
     'snapshot_ids.h',
@@ -486,7 +466,6 @@
     'stack_frame_arm.h',
     'stack_frame_arm64.h',
     'stack_frame_ia32.h',
-    'stack_frame_mips.h',
     'stack_frame_test.cc',
     'stack_frame_x64.h',
     'stack_trace.cc',
@@ -502,8 +481,6 @@
     'stub_code_dbc.cc',
     'stub_code_ia32.cc',
     'stub_code_ia32_test.cc',
-    'stub_code_mips.cc',
-    'stub_code_mips_test.cc',
     'stub_code_x64.cc',
     'stub_code_x64_test.cc',
     'symbols.cc',