Script was modified to pass shellcheck

src/includes/delete.sns.sh

@@ -2,8 +2,8 @@ function delete(){
     # Requires: $NOTE, $NOTE_DIR
     # Given a valid $NOTE, delete removes $NOTE from sns.
 
-     if [ -e "$NOTE_DIR/$NOTE" ]; then
-        rm "$NOTE_DIR/$NOTE"
+     if [ -e "$NOTES_DIR/$NOTE" ]; then
+        rm "$NOTES_DIR/$NOTE"
         printf "  - %s\n" "Deleted note: ${NOTE%.*}."
      else
         >&2 printf "  $RED_COLOR!$RESET_COLOR %s\n" "Note ${NOTE%.*} does not exist."