remove unneeded code of terminal and dmenu

config.def.h

@@ -13,7 +13,6 @@ static const int showsystray             = 1;     /* 0 means no systray */
 static const int showbar                 = 1;        /* 0 means no bar */
 static const int topbar                  = 1;        /* 0 means bottom bar */
 static const char *fonts[]               = { "monospace:size=10" };
-static const char dmenufont[]            = "monospace:size=10";
 static const char normbgcolor[]          = "#0e0f14";
 static const char normbordercolor[]      = "#363b47";
 static const char normfgcolor[]          = "#dfdfdf";
@@ -74,10 +73,6 @@ static const Layout layouts[] = {
 /* helper for spawning shell commands in the pre dwm-5.0 fashion */
 #define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
 
-/* commands */
-static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
-static const char *dmenucmd[] = { "dmenu_run", "-c", "-l", "20", NULL };
-
 static Key keys[] = {
   /* modifier           key         function        argument */
   { MODKEY|ShiftMask,   XK_Escape,  quit,           {0} },
@@ -124,7 +119,7 @@ static Key keys[] = {
 static Button buttons[] = {
   /* click          event mask  button    function        argument */
   { ClkLtSymbol,    0,          Button1,  cyclelayout,    {.i = +1} },
-  { ClkLtSymbol,    0,          Button2,  setlayout,      {.v = &layouts[0]} },
+  { ClkLtSymbol,    0,          Button2,  focusstack,     {.i = +1} },
   { ClkLtSymbol,    0,          Button3,  cyclelayout,    {.i = -1} },
   { ClkStatusText,  0,          Button1,  sigdwmblocks,   {.i = 1} },
   { ClkStatusText,  0,          Button2,  sigdwmblocks,   {.i = 2} },

dwm.c

@@ -2091,8 +2091,6 @@ sigdwmblocks(const Arg *arg)
 void
 spawn(const Arg *arg)
 {
-	if (arg->v == dmenucmd)
-		dmenumon[0] = '0' + selmon->num;
 	if (fork() == 0) {
 		if (dpy)
 			close(ConnectionNumber(dpy));