input: Remove some of stuff obsoleted by r1110.


git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1112 af15c1b1-3010-417e-b628-4374ebc0bcbd
input: Minor fix in Char_Event().


git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1113 af15c1b1-3010-417e-b628-4374ebc0bcbd
in_sdl: change DBEUG_INPUT preprocessor check to an "in_debugkeys" cvar to make it easier to debug unusual keyboards

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1114 af15c1b1-3010-417e-b628-4374ebc0bcbd