feat: Drop docker language servers

I am no longer interested in developing Dockerfiles or
docker-compose.yml files since I am fully committed to Nix.

By sticking with one technology that gets the job done, it should be
more efficient for me to solve problems with that one domain of
expertise than having mediocre knowledge of several similar tools.

home/neovim.nix

@@ -86,9 +86,6 @@ in
     sqlite
     sqlcipher
     litecli
-
-    dockerfile-language-server-nodejs
-    docker-compose-language-service
   ];
 
   editorconfig = {
@@ -335,8 +332,6 @@ in
             'texlab',
             'crystalline',
             'prismals',
-            'docker_compose_language_service',
-            'dockerls',
             'jsonls',
             'sqlls',
             'emmet_language_server',