move aurbuilder sudo right to /etc/sudoers.d/aurbuilder

updates/menu

@@ -45,9 +45,11 @@ checkaurdependencies(){
     newpass=$(< /dev/urandom tr -dc "@#*%&_A-Z-a-z-0-9" | head -c16)
     useradd -r -N -M -d /home/.aurbuilder -s /usr/bin/nologin aurbuilder
     echo -e "$newpass\n$newpass\n"|passwd aurbuilder
+    newpass=""
+  fi
+  if [ ! -f /etc/sudoers.d/aurbuilder ]; then
     echo "aurbuilder ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/aurbuilder
     echo "root ALL=(aurbuilder) NOPASSWD: ALL" >> /etc/sudoers.d/aurbuilder
-    newpass=""
   fi
 }
 checkarchlinuxfrrepo(){