misc: cleanup

neofetch

@@ -1415,7 +1415,7 @@ get_de() {
             # the desktop variables are sometimes also set to the
             # window manager name. This checks to see if WM == DE
             # and dicards the DE value.
-            [[ "$wm" && "$de" =~ ^$wm$ ]] && { unset -v de; return; }
+            [[ "$de" == "$wm" ]] && { unset -v de; return; }
         ;;
     esac
 
@@ -3620,10 +3620,9 @@ get_image_size() {
             read -r width height <<< "$(identify -format "%w %h" "$image")"
             crop_mode="none"
 
-            while (( "$width" >= ("$term_width" / 2) ||
-                     "$height" >= "$term_height" )); do
-                width="$((width / 2))"
-                height="$((height / 2))"
+            while ((width >= (term_width / 2) || height >= term_height)); do
+                ((width=width/2))
+                ((height=height/2))
             done
         ;;
 
@@ -3785,13 +3784,8 @@ display_image() {
 }
 
 to_ascii() {
-    # Log the error.
     err "$1"
-
-    # This function makes neofetch fallback to ascii mode.
     image_backend="ascii"
-
-    # Print the ascii art.
     get_ascii
 
     # Set cursor position next image/ascii.
@@ -3799,7 +3793,6 @@ to_ascii() {
 }
 
 to_off() {
-    # This function makes neofetch fallback to off mode.
     err "$1"
     image_backend="off"
     text_padding=