fix: remove unneeded dev dependency

Author: marionebl

@commitlint/load/package.json

@@ -59,7 +59,6 @@
   "devDependencies": {
     "@commitlint/test": "7.5.0",
     "@commitlint/utils": "^7.5.0",
-    "alva": "1.0.17",
     "ava": "0.22.0",
     "babel-cli": "6.26.0",
     "babel-preset-commitlint": "^7.5.0",