Remove legacy command interface from renderer interface

src/engine/client/cl_main.cpp

@@ -2219,12 +2219,6 @@ static bool CL_InitRef()
 	refimport_t ri;
 	refexport_t *ret;
 
-	ri.Cmd_AddCommand = Cmd_AddCommand;
-	ri.Cmd_RemoveCommand = Cmd_RemoveCommand;
-	ri.Cmd_Argc = Cmd_Argc;
-	ri.Cmd_Argv = Cmd_Argv;
-	ri.Cmd_QuoteString = Cmd_QuoteString;
-
 	ri.Milliseconds = Sys::Milliseconds;
 	ri.RealTime = Com_RealTime;
 

src/engine/renderer/tr_public.h

@@ -293,14 +293,6 @@ struct refimport_t
 	void            *( *Hunk_AllocateTempMemory )( int size );
 	void ( *Hunk_FreeTempMemory )( void *block );
 
-	void ( *Cmd_AddCommand )( const char *name, void ( *cmd )() );
-	void ( *Cmd_RemoveCommand )( const char *name );
-
-	int ( *Cmd_Argc )();
-	const char *( *Cmd_Argv )( int i );
-
-	const char *( *Cmd_QuoteString )( const char *text );
-
 	// a -1 return means the file does not exist
 	// nullptr can be passed for buf to just determine existence
 	int ( *FS_ReadFile )( const char *name, void **buf );

src/engine/sys/sdl_glimp.cpp

@@ -500,10 +500,9 @@ void GLimp_Shutdown()
 	ResetStruct( glState );
 }
 
-static void GLimp_Minimize()
-{
-	SDL_MinimizeWindow( window );
-}
+static Cmd::LambdaCmd minimizeCmd(
+	"minimize", "minimize the window",
+	[]( const Cmd::Args & ) { SDL_MinimizeWindow( window ); });
 
 static void SetSwapInterval( int swapInterval )
 {
@@ -2655,8 +2654,6 @@ bool GLimp_Init()
 	Cvar::Latch( workaround_glExtension_missingArbFbo_useExtFbo );
 	Cvar::Latch( workaround_glHardware_intel_useFirstProvokinVertex );
 
-	ri.Cmd_AddCommand( "minimize", GLimp_Minimize );
-
 	/* Enable S3TC on Mesa even if libtxc-dxtn is not available
 	The environment variables is currently always set,
 	it should do nothing with other systems and drivers.