Remove script to generate opam url section (#15)

This is now done by the scripts that generate entire opam files so no
need for a dedicated script to just generate the url section.

Signed-off-by: Stephen Sherratt <[email protected]>

Author: gridbugs

.gitignore

@@ -1 +1,2 @@
-result
+**/out
+**/*.tar.gz

README.md

@@ -5,7 +5,6 @@ Binary distributions of some OCaml packages.
 This project contains:
  - `build-scripts` - shell scripts and dockerfiles for building packages
  - `packages` - opam package manifests for the packages in this repo
- - `tools` - tools to help maintain this repo
 
 ## How to use