chore: Remove renovate (rip)

.github/renovate.json5

@@ -1,45 +0,0 @@
-{
-    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-    "extends": ["config:recommended"],
-    // un-ignoring "tests" after ":ignoreModulesAndTests" via
-    // "config:recommended" - we have utilities in there
-    "ignorePaths": [
-        "**/node_modules/**"
-    ],
-    // Package rules are matched such that later rules override earlier ones.
-    "packageRules": [
-        {
-            "matchCategories": ["rust"],
-            "groupName": "Rust dependencies",
-            "rangeStrategy": "bump",
-            "extends": ["schedule:weekly"],
-        },
-        {
-            "matchCategories": ["rust"],
-            "matchPackageNames": ["winit", "wgpu", "naga", "naga_oil", "egui-winit", "egui-wgpu", "raw-window-handle"],
-            "groupName": "Rust dependencies related to winit and wgpu",
-            "rangeStrategy": "bump",
-            "extends": ["schedule:weekly"],
-        },
-        {
-            "matchPackageNames": ["wasm-bindgen", "js-sys", "web-sys", "wasm-bindgen-futures"],
-            "groupName": "wasm-bindgen",
-        },
-        // Disable `tracing-tracy` updates (needed although it's pinned in `desktop/Cargo.toml`).
-        {
-            "matchPackageNames": ["tracing-tracy"],
-            "enabled": false,
-        },
-        {
-            "matchCategories": ["js"],
-            "groupName": "Node.js dependencies",
-            "rangeStrategy": "bump",
-            "extends": ["schedule:monthly"],
-        },
-        {
-            "matchManagers": ["github-actions"],
-            "groupName": "GitHub Actions dependencies",
-            "extends": ["schedule:monthly"],
-        },
-    ],
-}