configs/emacs: de-dupe go stuff, use vc-got from nixpkgs

- remove pin for overlay

configs/emacs.org

@@ -1017,9 +1017,7 @@ Elpher is a nice little gemini / gopher client.
 This lets one select a ~struct~ or similar and auto add the ~`json:"NAME"`~ bits.
 
 #+begin_src emacs-lisp
-(use-package go-add-tags
-  :bind
-  ("C-c t" . go-add-tags))
+  (use-package go-add-tags)
 #+end_src
 
 *** go-mode
@@ -1419,12 +1417,10 @@ Custom agenda commands for various things.
 ** GOT
 
 #+begin_src emacs-lisp
-  (setq vc-got-dir (expand-file-name "~/.emacs.d/site-lisp/vc-got-1.0"))
-  (if (file-directory-p vc-got-dir)
-      (use-package vc-got
-        :load-path vc-got-dir
-        :defer t
-        :init
-        (add-to-list 'vc-handled-backends 'Got)
-        (add-to-list 'vc-directory-exclusion-list ".got")))
+  (use-package vc-got
+    :load-path vc-got-dir
+    :defer t
+    :init
+    (add-to-list 'vc-handled-backends 'Got)
+    (add-to-list 'vc-directory-exclusion-list ".got"))
 #+end_src

flake.lock

@@ -67,17 +67,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1707411167,
-        "narHash": "sha256-0JViztrDcglHQnStH2jjFV2O0NEFx7a/CmPzgTXpzaM=",
+        "lastModified": 1716256173,
+        "narHash": "sha256-aJo8V/pEvCiF0Cu+PLPnK0FU63yNAELwSiClnaj3swc=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "64a633659fab447f12c898a32c451f88b5c3c048",
+        "rev": "00193d839cb752bccc8f6508e54afd2dab60c7c9",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "64a633659fab447f12c898a32c451f88b5c3c048",
         "type": "github"
       }
     },

flake.nix

@@ -25,7 +25,7 @@
     };
 
     emacs-overlay = {
-      url = "github:nix-community/emacs-overlay/64a633659fab447f12c898a32c451f88b5c3c048";
+      url = "github:nix-community/emacs-overlay";
       inputs = {
         nixpkgs.follows = "unstable";
         nixpkgs-stable.follows = "stable";