grub: set resolution to auto

Signed-off-by: AuxXxilium <info@auxxxilium.tech>

files/p1/boot/grub/grub.cfg

@@ -43,13 +43,13 @@ function load_video {
 }
 
 load_video
-if loadfont unicode ; then
-    if keystatus --shift ; then true ; else
+if loadfont unicode; then
+    if keystatus --shift; then true ; else
         insmod gfxterm
-        set gfxmode=1280x1024
+        set gfxmode=auto
         set gfxpayload=auto
         terminal_output gfxterm
-        if terminal_output gfxterm ; then true ; else
+        if terminal_output gfxterm; then true ; else
             terminal gfxterm
         fi
         insmod gfxmenu