Removes statics from hal sim (#825)

Based off of #824, the equivelent in sim.

hal/src/main/native/sim/MockHooks.cpp

@@ -18,6 +18,12 @@ static std::atomic<bool> programStarted{false};
 
 static std::atomic<uint64_t> programStartTime{0};
 
+namespace hal {
+namespace init {
+void InitializeMockHooks() {}
+}  // namespace init
+}  // namespace hal
+
 namespace hal {
 void RestartTiming() { programStartTime = wpi::Now(); }