renovate: remove rules to update alpine packages

.github/renovate.json5

@@ -86,33 +86,5 @@
         "RENOVATE_IMAGE=ghcr.io/renovatebot/renovate:(?<currentValue>[^@\\s]+)(?:@(?<currentDigest>\\S+))?"
       ]
     },
-    {
-      // Update pinned alpine packages in Dockerfile.
-      "customType": "regex",
-      "fileMatch": [ "Dockerfile" ],
-      "matchStrings": [
-        // Lines that loosely look like "apk add --repository community something=version".
-        // To keep this regex simple, only one package per "apk add" is supported.
-        "\\bapk\\b.+?\\badd\\b.+?(--repository|-X)[ =\\t]+(?<alpineRepo>[a-z]+)\\s+(?<depName>[-\\w]+?)=(?<currentValue>[-.\\w]+)"
-      ],
-      "versioningTemplate": "loose", // The most lenient versioning renovate supports.
-      // We use two different datasources for main and community, as alpine serves them in different URLs.
-      "datasourceTemplate": "custom.alpine-{{alpineRepo}}",
-      // Extracted "versions" include the package name, so here we strip that prefix using a regex.
-      "extractVersionTemplate": "{{depName}}-(?<version>.+).apk",
-    },
   ],
-
-  "customDatasources": {
-    // Use alpine HTML mirror page as a repository. When using `html` format, renovate produces version strings from
-    // all links present in the page. The version is extracted from that using extractVersionTemplate above.
-    "alpine-main": {
-      "defaultRegistryUrlTemplate": "https://dl-cdn.alpinelinux.org/alpine/latest-stable/main/x86_64/",
-      "format": "html",
-    },
-    "alpine-community": {
-      "defaultRegistryUrlTemplate": "https://dl-cdn.alpinelinux.org/alpine/latest-stable/community/x86_64/",
-      "format": "html",
-    },
-  },
 }