Removed the remaining use of python

start-minecraftFinalSetup

@@ -31,7 +31,7 @@ fi
 echo "Checking for JSON files."
 JSON_FILES=$(find . -maxdepth 1 -name '*.json')
 for j in $JSON_FILES; do
-  if [[ $(python -c "print open('$j').read().strip()==''") = True ]]; then
+  if [[ $(cat $j | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') == "" ]]; then
     echo "Fixing JSON $j"
     echo '[]' > $j
   fi