chore: drop contributors from multiple places (#232)

package.json

@@ -28,42 +28,6 @@
     "speech",
     "Google Cloud Speech API"
   ],
-  "contributors": [
-    "Ace Nassri <[email protected]>",
-    "Alexander Fenster <[email protected]>",
-    "Ali Ijaz Sheikh <[email protected]>",
-    "Chris Frater <[email protected]>",
-    "Chris Frater <[email protected]>",
-    "Chris Frater <[email protected]>",
-    "Christopher Wilcox <[email protected]>",
-    "Christopher Wilcox <[email protected]>",
-    "DPE bot <[email protected]>",
-    "Dan Aharon <[email protected]>",
-    "Daniel Ruf <[email protected]>",
-    "Daryush Laqab <[email protected]>",
-    "Dave Gramlich <[email protected]>",
-    "Eric Uldall <[email protected]>",
-    "Ernest Landrito <[email protected]>",
-    "Gus Class <[email protected]>",
-    "Jason Dobry <[email protected]>",
-    "Jerjou <[email protected]>",
-    "Jonathan Lui <[email protected]>",
-    "Jun Mukai <[email protected]>",
-    "Justin Beckwith <[email protected]>",
-    "Luke Sneeringer <[email protected]>",
-    "Philippe Sultan <[email protected]>",
-    "Pierre Fritsch <[email protected]>",
-    "Puneith Kaul <[email protected]>",
-    "Rebecca Taylor <[email protected]>",
-    "Shahin <[email protected]>",
-    "Song Wang <[email protected]>",
-    "Stephen Sawchuk <[email protected]>",
-    "Tim Swast <[email protected]>",
-    "cfrater <[email protected]>",
-    "greenkeeper[bot] <greenkeeper[bot]@users.noreply.github.com>",
-    "renovate[bot] <renovate[bot]@users.noreply.github.com>",
-    "wanacode <[email protected]>"
-  ],
   "scripts": {
     "cover": "nyc --reporter=lcov mocha test/*.js && nyc report",
     "docs": "jsdoc -c .jsdoc.js",