Revert "Add graffiti icon for NYC"
Revert "Add graffiti icon for NYC"

This reverts commit eb6f24efd58c27e79f48b70cf9655ad00b69659f.

codeforamerica/citygram,BetaNYC/citygram-nyc,BetaNYC/citygram-nyc,BetaNYC/citygram-nyc,codeforamerica/citygram,codeforamerica/citygram,codeforamerica/citygram,BetaNYC/citygram-nyc