Fix Box86 uninstall script not having the DIRECTORY variable

apps/Box86/uninstall

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+DIRECTORY="$(dirname "$(dirname "$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )")")"
+
 function error {
   echo -e "\\e[91m$1\\e[39m"
   exit 1
@@ -26,11 +28,10 @@ if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ]; then
   
   "${DIRECTORY}/purge-installed" "$(dirname "$0")" || exit 1
   
-  sudo dpkg --remove-architecture armhf || warning "Failed to remove armhf architecture.\nMost likely, you already had other armhf packages installed prior to this."
+  sudo dpkg --remove-architecture armhf || warning "armhf architecture should be removed by now, but it isn't!"
   check-armhf
   if [[ "$ARMHF" == *"armhf"* ]]; then
-  warning "armhf architecture should be removed by now, but it isn't!"
-  warning "You probably have some other programs using it, remove it by running 'sudo dpkg --remove-architecture armhf'."
+    warning "You probably have some other programs using it, remove it by running 'sudo dpkg --remove-architecture armhf'."
   fi
     
 elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ]; then
@@ -41,4 +42,4 @@ else
 fi
 
 echo "running 'sudo apt update'..."
-sudo apt update
+sudo apt update