Cosmetic cleanups

lib/contracts/base.js

@@ -20,4 +20,5 @@ class Base {
     return this.contract.on(type, callback);
   }
 }
+
 module.exports = Base;

lib/contracts/contributor.js

@@ -1,4 +1,3 @@
-const ethers = require('ethers');
 const RSVP = require('rsvp');
 
 const ContributorSerializer = require('../serializers/contributor');
@@ -20,7 +19,6 @@ class Contributor extends Base {
 
   getById(id) {
     return this.functions.getContributorById(id)
-      // Fetch IPFS data if available
       .then((data) => {
         return this.ipfs.catAndMerge(data, ContributorSerializer.deserialize);
       });

lib/contracts/proposal.js

@@ -1,4 +1,3 @@
-const ethers = require('ethers');
 const RSVP = require('rsvp');
 
 const ContributionSerializer = require('../serializers/contribution');

lib/contracts/token.js

@@ -4,4 +4,3 @@ class Token extends Base {
 }
 
 module.exports = Token;
-