Common: Move asserts to their own header

Source/Core/Core/FifoPlayer/FifoAnalyzer.cpp

@@ -2,10 +2,10 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "Common/Assert.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 #include "Core/FifoPlayer/FifoAnalyzer.h"
-
 #include "VideoCommon/VertexLoader.h"
 #include "VideoCommon/VertexLoader_Normal.h"
 #include "VideoCommon/VertexLoader_Position.h"

Source/Core/Core/FifoPlayer/FifoPlaybackAnalyzer.cpp

@@ -2,12 +2,11 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "Common/Assert.h"
 #include "Common/CommonTypes.h"
-
 #include "Core/FifoPlayer/FifoAnalyzer.h"
 #include "Core/FifoPlayer/FifoDataFile.h"
 #include "Core/FifoPlayer/FifoPlaybackAnalyzer.h"
-
 #include "VideoCommon/OpcodeDecoding.h"
 #include "VideoCommon/TextureDecoder.h"
 #include "VideoCommon/VertexLoader.h"

Source/Core/Core/FifoPlayer/FifoPlayer.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <mutex>
 
+#include "Common/Assert.h"
 #include "Common/CommonTypes.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"

Source/Core/Core/FifoPlayer/FifoRecordAnalyzer.cpp

@@ -4,12 +4,12 @@
 
 #include <algorithm>
 
+#include "Common/Assert.h"
 #include "Core/Core.h"
 #include "Core/FifoPlayer/FifoAnalyzer.h"
 #include "Core/FifoPlayer/FifoRecordAnalyzer.h"
 #include "Core/FifoPlayer/FifoRecorder.h"
 #include "Core/HW/Memmap.h"
-
 #include "VideoCommon/OpcodeDecoding.h"
 #include "VideoCommon/TextureDecoder.h"