feat: cleanup on postgis extension

Author: samrose

flake.nix

@@ -53,7 +53,6 @@
             # want to have an arbitrary order, since it might matter. being
             # explicit is better.
             (import ./nix/overlays/cargo-pgrx-0-11-3.nix)
-            # (import ./nix/overlays/postgis.nix)
             #(import ./nix/overlays/gdal-small.nix)
 
           ];