Remove bogus dockerfile annotations

Author: byo

build/docker/Dockerfile.maps-tile-server

@@ -2,10 +2,6 @@
 
 FROM overv/openstreetmap-tile-server:latest
 
-LABEL org.opencontainers.image.title="Cinode Maps Tile Server"
-LABEL org.opencontainers.image.description="OpenStreetMap tile server with jemalloc memory allocator"
-LABEL org.opencontainers.image.source="https://github.com/cinode/maps"
-
 # Install jemalloc and clean up
 RUN apt-get update && \
     apt-get install -y libjemalloc2 && \