[K/N] Move GC schedulers into modules

Additionally,
- rename disabled into manual
- rename with_timer into adaptive
- remove on_safepoints
- store schedulers in GlobalData, ThreadData directly

kotlin-native/runtime/src/main/cpp/CompilerConstants.hpp

@@ -37,7 +37,6 @@ extern "C" const int32_t Kotlin_needDebugInfo;
 extern "C" const int32_t Kotlin_runtimeAssertsMode;
 extern "C" const int32_t Kotlin_disableMmap;
 extern "C" const char* const Kotlin_runtimeLogs;
-extern "C" const int32_t Kotlin_gcSchedulerType;
 extern "C" const int32_t Kotlin_freezingEnabled;
 extern "C" const int32_t Kotlin_freezingChecksEnabled;
 
@@ -65,14 +64,6 @@ enum class WorkerExceptionHandling : int32_t {
     kUseHook = 1,
 };
 
-// Must match GCSchedulerType in GCSchedulerType.kt
-enum class GCSchedulerType {
-    kDisabled = 0,
-    kWithTimer = 1,
-    kOnSafepoints = 2,
-    kAggressive = 3,
-};
-
 // Must match AppStateTracking in AppStateTracking.kt
 enum class AppStateTracking {
     kDisabled = 0,
@@ -107,11 +98,6 @@ ALWAYS_INLINE inline bool freezingChecksEnabled() noexcept {
     return Kotlin_freezingChecksEnabled != 0;
 }
 
-ALWAYS_INLINE inline GCSchedulerType getGCSchedulerType() noexcept {
-    return static_cast<compiler::GCSchedulerType>(Kotlin_gcSchedulerType);
-}
-
-
 WorkerExceptionHandling workerExceptionHandling() noexcept;
 DestroyRuntimeMode destroyRuntimeMode() noexcept;
 bool gcMarkSingleThreaded() noexcept;