Removed GPL copyright from Quake for cmd.h

HLSDK/engine/cmd.h

@@ -1,18 +1,3 @@
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-See the GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-*/
-
 // cmd.h -- Command buffer and command execution
 
 //===========================================================================
@@ -43,4 +28,4 @@ typedef struct cmd_function_s
 	char					*name;
 	xcommand_t				function;
 	int						flags;
-} cmd_function_t;
+} cmd_function_t;