More unused stuff removal (#49)

* More unused stuff removal

delete:
- giant 'metaheaders' (JA2 All.h, Laptop All.h, etc), preferring to add #includes directly where needed
- unused ExceptionHandling and DbMan translation units
- unused WizShare.h, Bitmap.h, trle.h, video_private.h headers

* remove mentions from vc proj files too

* remove preprocessor conditionals for unused definitions

find . -iname '*.h' -o -iname '*.cpp' -exec unifdef.exe -m -UPRECOMPILED_HEADERS -UJA2_PRECOMPILED_HEADERS -UWIZ8_PRECOMPILED_HEADERS -UPRECOMPILEDHEADERS {} ';'

then manually fixed a couple files the tool errored out on

* yes, the comments too

as title

Strategic/Rebel Command.cpp

@@ -56,10 +56,6 @@ Points of interest:
 - RebelCommandSaveInfo	- pretty much everything important is in here
 
 */
-#ifdef PRECOMPILEDHEADERS
-#include "Laptop All.h"
-#include "Strategic All.h"
-#else
 #include "Rebel Command.h"
 
 #include "ASD.h"
@@ -103,7 +99,6 @@ Points of interest:
 #include "Vehicles.h"
 #include "WCheck.h"
 #include "WordWrap.h"
-#endif
 
 #include <unordered_map>
 #include <unordered_set>