Update ktx.cfg to fix error in k_noframechecks comment and default

sv-configs/ktx/ktx.cfg

@@ -2,7 +2,7 @@
 set k_minrate                   2500            // minimum rate setting for players/spectators
 set sv_maxrate                  50000           // maximum rate setting for players/spectators
 set k_autoreset                 1               // exec configs/reset.cfg when last player leaves
-set k_noframechecks             1               // check for fps/speed manipulation (0 = no, 1 = yes)
+set k_noframechecks             0               // check for fps/speed manipulation (0 = yes, 1 = no)
 set k_no_fps_physics            0               // fps independent physics (0 = off, 1 = on)
 set k_short_gib                 0               // remove gibs after 2 seconds (0 = no, 1 = yes)
 set k_exclusive                 0               // number of players gets locked on game start (0 = no, 1 = yes)