Remove unique issue filter

Broken since storing several issues per commit, so now causes more problems than it solves

src/releases.js

@@ -1,6 +1,5 @@
 import semver from 'semver'
 
-import { uniq } from './utils'
 import { findFixes, findMerge } from './commits'
 
 export function parseReleases (commits, packageVersion) {
@@ -23,7 +22,6 @@ function newRelease (tag, date = new Date().toISOString()) {
 
 function commitReducer (releases, commit) {
   if (commit.tag && semver.valid(commit.tag)) {
-    releases[0].fixes = uniq(releases[0].fixes, 'issue') // Remove duplicate fixes
     releases.unshift(newRelease(commit.tag, commit.date))
   }
 

src/utils.js

@@ -11,17 +11,3 @@ export function cmd (cmd, args = [], options = {}) {
     child.on('error', reject)
   })
 }
-
-export function uniq (array, property) {
-  let unique = {}
-  let distinct = []
-
-  array.forEach(x => {
-    if (!unique[x[property]]) {
-      distinct.push(x)
-      unique[x[property]] = true
-    }
-  })
-
-  return distinct
-}