refactor: Simplify string.h includes (#1743)

Author: xezon

Core/GameEngine/Include/Common/AsciiString.h

@@ -46,7 +46,6 @@
 #pragma once
 
 #include <stdarg.h>
-#include <string.h>
 #include "Lib/BaseType.h"
 #include "Common/Debug.h"
 #include "Common/Errors.h"

Core/GameEngine/Include/Common/UnicodeString.h

@@ -46,7 +46,6 @@
 #pragma once
 
 #include <stdarg.h>
-#include <string.h>
 #include "Lib/BaseType.h"
 #include "Common/Debug.h"
 #include "Common/Errors.h"

Core/GameEngine/Source/Common/System/File.cpp

@@ -48,7 +48,6 @@
 #include "PreRTS.h"
 
 #include <assert.h>
-#include <string.h>
 #include <stdarg.h>
 
 

Core/GameEngine/Source/Common/System/LocalFile.cpp

@@ -49,7 +49,6 @@
 
 #include <fcntl.h>
 #include <io.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <stdlib.h>
 #include <ctype.h>

Core/GameEngine/Source/Common/System/RAMFile.cpp

@@ -49,7 +49,6 @@
 
 #include <fcntl.h>
 #include <io.h>
-#include <string.h>
 #include <sys/stat.h>
 
 #include "Common/AsciiString.h"

Core/GameEngine/Source/Common/System/StreamingArchiveFile.cpp

@@ -49,7 +49,6 @@
 
 #include <fcntl.h>
 #include <io.h>
-#include <string.h>
 #include <sys/stat.h>
 
 #include "Common/AsciiString.h"

Core/Libraries/Source/WWVegas/WW3D2/agg_def.h

@@ -40,7 +40,6 @@
 #include "w3derr.h"
 #include "Vector.H"
 #include "bittype.h"
-#include <string.h>
 
 #ifdef _UNIX
 #include "osdep.h"

Core/Libraries/Source/WWVegas/WW3D2/animatedsoundmgr.cpp

@@ -37,7 +37,6 @@
 // MBL Update for CNC3 INCURSION - 10.23.2002 - Expanded param handling, Added STOP command
 //
 
-#include <string.h>	// stricmp()
 #include "animatedsoundmgr.h"
 #include "INI.H"
 #include "inisup.h"

Core/Libraries/Source/WWVegas/WW3D2/bwrender.cpp

@@ -39,7 +39,6 @@
 
 #include "bwrender.h"
 #include "vp.h"
-#include <string.h>
 
 
 BWRenderClass::Buffer::Buffer(unsigned char* buffer_, int scale_)

Core/Libraries/Source/WWVegas/WW3D2/composite.cpp

@@ -58,7 +58,6 @@
 #include "composite.h"
 #include "wwdebug.h"
 #include <stdlib.h>
-#include <string.h>
 
 
 /***********************************************************************************************