Revert "feat: add backups for postgres"

This reverts commit 35d91ab230.

flake.lock

@@ -18,42 +18,6 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "krew2nix": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1716272275,
-        "narHash": "sha256-JWDyPhAJp263EVVsGrKwrJU+xdDReHsDmSe7A190/Cg=",
-        "owner": "eigengrau",
-        "repo": "krew2nix",
-        "rev": "0c1fecaab044dba1249c5d09366891ec467b4ad2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "eigengrau",
-        "repo": "krew2nix",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1756819007,
@@ -73,7 +37,6 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "krew2nix": "krew2nix",
         "nixpkgs": "nixpkgs"
       }
     },