base: remove teams from programs, marked insecure

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/55ac2a9d2024f15c56adf20da505b29659911da8' (2023-09-21)
  → 'github:NixOS/nixpkgs/bd1cde45c77891214131cbbea5b1203e485a9d51' (2023-10-11)

base/gui-programs.nix

@@ -63,7 +63,6 @@ in {
         pavucontrol
         spotify
         tdesktop
-        teams
         thunderbird
         virt-manager
         xcolor

flake.lock

@@ -128,11 +128,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1695272228,
-        "narHash": "sha256-4uw2OdJPVyjdB+xcDst9SecrNIpxKXJ2usN3M5HVa7o=",
+        "lastModified": 1696983906,
+        "narHash": "sha256-L7GyeErguS7Pg4h8nK0wGlcUTbfUMDu+HMf1UcyP72k=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "55ac2a9d2024f15c56adf20da505b29659911da8",
+        "rev": "bd1cde45c77891214131cbbea5b1203e485a9d51",
         "type": "github"
       },
       "original": {