remove redundant script

frontend/removeWrongNutsCodes.js

-const fs = require('fs');
-
-if (process.env.FILEPATH == undefined || process.env.FILEPATH == undefined) {
-    console.log("FILEPATH not defined")
-    process.exit(1)
-}
-
-const path = process.env.FILEPATH
-
-const json = fs.readFileSync(path)
-const data = JSON.parse(json)
-
-data.features = data.features.filter(feature => {
-    return feature.properties.LEVL_CODE == 1
-})
-
-console.log(data.features.length)
-
-const output = JSON.stringify(data)
-fs.writeFileSync(path + "lvl1.geojson", output)