delete functionality on form upload

is this test passing for you? it seems to be failing on my end:
```
	TypeError: Cannot read property 'map' of undefined
	    at init_map (/Users/royrutto/Dev/zebra/target/main-test.js:24266:23)
	    at leaflet (/Users/royrutto/Dev/zebra/target/main-test.js:24288:34)
	    at null.<anonymous> (/Users/royrutto/Dev/zebra/target/main-test.js:24401:43)
```