Remove deprecated @types dependencies

Author: d10c

extensions/ql-vscode/package-lock.json

@@ -2070,10 +2070,8 @@
     "@types/cross-spawn": "^6.0.6",
     "@types/d3": "^7.4.0",
     "@types/d3-graphviz": "^2.6.6",
-    "@types/del": "^4.0.0",
     "@types/fs-extra": "^11.0.1",
     "@types/gulp": "^4.0.9",
-    "@types/gulp-replace": "^1.1.0",
     "@types/jest": "^29.5.12",
     "@types/js-yaml": "^4.0.6",
     "@types/node": "22.17.*",