fix: remove unused multiaddr dependency (#143)

Author: dryajov

package.json

@@ -68,7 +68,6 @@
  "lodash.get": "^4.4.2",
  "lodash.has": "^4.5.2",
  "lodash.set": "^4.3.2",
- "multiaddr": "^2.3.0",
  "safe-buffer": "^5.1.1"
  },
  "license": "MIT",
@@ -89,4 +88,4 @@
  "nginnever <ginneversource@gmail.com>",
  "npmcdn-to-unpkg-bot <npmcdn-to-unpkg-bot@users.noreply.github.com>"
  ]
-}
+}