chore(deps): replace chalk and rimraf with builtin functions (#1879)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

package.json

@@ -43,7 +43,6 @@
     "@webgpu/types": "^0.1.60",
     "ansi-truncate": "^1.2.0",
     "async-mutex": "^0.5.0",
-    "chalk": "^5.4.1",
     "chokidar": "^4.0.3",
     "cli-spinner": "^0.2.10",
     "d3": "^7.9.0",
@@ -85,7 +84,6 @@
     "remark-rehype": "^11.1.2",
     "remark-smartypants": "^3.0.2",
     "rfdc": "^1.4.1",
-    "rimraf": "^6.0.1",
     "satori": "^0.12.2",
     "serve-handler": "^6.1.6",
     "sharp": "^0.34.1",