Remove unused CorePlatformAPI methods.

Bug: 165370038
Test: m
Change-Id: I944cc5354016bef8820455c092e6cfaa033fa1f0
diff --git a/runtime/native/dalvik_system_VMRuntime.cc b/runtime/native/dalvik_system_VMRuntime.cc
index 409a773..2d0c60d 100644
--- a/runtime/native/dalvik_system_VMRuntime.cc
+++ b/runtime/native/dalvik_system_VMRuntime.cc
@@ -76,12 +76,6 @@
   Runtime::Current()->GetHeap()->SetTargetHeapUtilization(target);
 }
 
-static void VMRuntime_startJitCompilation(JNIEnv*, jobject) {
-}
-
-static void VMRuntime_disableJitCompilation(JNIEnv*, jobject) {
-}
-
 static void VMRuntime_setHiddenApiExemptions(JNIEnv* env,
                                             jclass,
                                             jobjectArray exemptions) {
@@ -774,7 +768,6 @@
   NATIVE_METHOD(VMRuntime, classPath, "()Ljava/lang/String;"),
   NATIVE_METHOD(VMRuntime, clearGrowthLimit, "()V"),
   NATIVE_METHOD(VMRuntime, concurrentGC, "()V"),
-  NATIVE_METHOD(VMRuntime, disableJitCompilation, "()V"),
   NATIVE_METHOD(VMRuntime, setHiddenApiExemptions, "([Ljava/lang/String;)V"),
   NATIVE_METHOD(VMRuntime, setHiddenApiAccessLogSamplingRate, "(I)V"),
   NATIVE_METHOD(VMRuntime, getTargetHeapUtilization, "()F"),
@@ -798,7 +791,6 @@
   NATIVE_METHOD(VMRuntime, runHeapTasks, "()V"),
   NATIVE_METHOD(VMRuntime, updateProcessState, "(I)V"),
   NATIVE_METHOD(VMRuntime, startHeapTaskProcessor, "()V"),
-  NATIVE_METHOD(VMRuntime, startJitCompilation, "()V"),
   NATIVE_METHOD(VMRuntime, stopHeapTaskProcessor, "()V"),
   NATIVE_METHOD(VMRuntime, trimHeap, "()V"),
   NATIVE_METHOD(VMRuntime, vmVersion, "()Ljava/lang/String;"),