kdrive: allow disabling Composite

KdInitOutput() used to enable Composite when it was disabled by default,
but now this hack prevents ``-extension Composite'' from working.
Remove it, as Composite is enabled by default anyway.

hw/kdrive/src/kdrive.c

@@ -1353,12 +1353,6 @@ KdInitOutput (ScreenInfo    *pScreenInfo,
     KdCardInfo	    *card;
     KdScreenInfo    *screen;
 
-#ifdef COMPOSITE
-    /* kind of a hack: we want Composite enabled, but it's disabled per
-     * default. */
-    noCompositeExtension = FALSE;
-#endif
-    
     if (!kdCardInfo)
     {
 	InitCard (0);