fix crashing and remove useless option which caused the crashing

docs/example.Xresources

@@ -193,9 +193,6 @@ speedwm.color.selectedtitle:           0 ! Color the selected title (0/1)
 !! Powerline options
 speedwm.bar.powerline.tag.shape:       0 ! Shape of the tag powerlines (0:  >, 1:  /)
 
-!! Focus options
-speedwm.focus.spawned:                 1 ! Focus the newly spawned window or keep focus (0/1)
-
 !! Fullscreen options
 speedwm.fullscreen.hidebar:            1 ! Hide the bar when a client is fullscreened (0/1)
 speedwm.fullscreen.lockfullscreen:     1 ! Lock the fullscreen (0/1)

options.h

@@ -50,7 +50,6 @@ static int swallowfloating                    = 1; /* Swallow floating windows b
 static int centerfloating                     = 1; /* Center floating windows by default */
 static int startontag                         = 1; /* Start on a tag or not? */
 static int floatscratchpad                    = 0; /* Float the scratchpad window on hide (1/0) */
-static int focusspawn                         = 1; /* Automatically focus the next spawned window. If warp is enabled, this is useless and will be disabled. (1/0) */
 
 /* Client properties */
 static int autofocus                          = 1; /* Allow clients to automatically be focused when they request it. This comes with the side effect of potentially being annoying */

speedwm.c

@@ -3413,10 +3413,7 @@ manage(Window w, XWindowAttributes *wa)
 	if (term)
 		swallow(term, c);
 	arrange(c->mon);
-    if (focusspawn)
-		focus(c);
-    else
-		focus(NULL);
+	focus(NULL);
 }
 
 void

xresources.h

@@ -162,7 +162,6 @@ ResourcePref resources[]                                            = {
 	   { "mouse.cfact",					 INTEGER, &mousecfact },
        { "mouse.warpcursor",             INTEGER, &warpcursor },
        { "mouse.clicktofocus",           INTEGER, &clicktofocus },
-	   { "focus.spawned",				 INTEGER, &focusspawn },
 	   { "client.floatscratchpad",       INTEGER, &floatscratchpad },
 	   { "client.autofocus",             INTEGER, &autofocus },
 	   { "client.automove",              INTEGER, &automove },