Update env example

Author: davidsklar99

.env.example

@@ -6,15 +6,7 @@ VITE_MACROSTRAT_API_DOMAIN='https://macrostrat.org'
 VITE_ROCKD_API_URL='https://dev.rockd.org/api/v2/'
 
 # Needed for map ingestion system
-# VITE_MACROSTRAT_INGEST_API=https://dev.macrostrat.org/api/ingest
 # SECRET_KEY='Replace with api signing key'
 
-# Needed for legacy map comparisons
-# VITE_MACROSTRAT_TILESERVER_V2='https://dev.macrostrat.org/tiles'
-# VITE_MACROSTRAT_TILESERVER_V1='https://tiles.macrostrat.org'
-
-# Needed for non-root installations (deprecated)
-# PUBLIC_URL='/'
-
 # 'true' to enable auth in development mode
 # DEV_ENABLE_AUTH=true