scheduler: Initialize class members directly where applicable

Reduces the overall amount of code.

src/core/hle/kernel/scheduler.cpp

@@ -22,9 +22,9 @@
 
 namespace Kernel {
 
-GlobalScheduler::GlobalScheduler(Core::System& system) : system{system} {
-    is_reselection_pending = false;
-}
+GlobalScheduler::GlobalScheduler(Core::System& system) : system{system} {}
+
+GlobalScheduler::~GlobalScheduler() = default;
 
 void GlobalScheduler::AddThread(SharedPtr<Thread> thread) {
     thread_list.push_back(std::move(thread));
@@ -357,8 +357,6 @@ void GlobalScheduler::Shutdown() {
     thread_list.clear();
 }
 
-GlobalScheduler::~GlobalScheduler() = default;
-
 Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id)
     : system(system), cpu_core(cpu_core), core_id(core_id) {}
 

src/core/hle/kernel/scheduler.h

@@ -150,7 +150,7 @@ private:
     static constexpr u32 min_regular_priority = 2;
     std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, NUM_CPU_CORES> scheduled_queue;
     std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, NUM_CPU_CORES> suggested_queue;
-    std::atomic<bool> is_reselection_pending;
+    std::atomic<bool> is_reselection_pending{false};
 
     // The priority levels at which the global scheduler preempts threads every 10 ms. They are
     // ordered from Core 0 to Core 3.