Revert "fix(cache): Switch to lru-cache to save ourselves from unlimi…

…ted memory consumption"

This reverts commit e518222.

#38 (comment)

Will un-revert in semver-major bump.

index.js

@@ -2,8 +2,6 @@
 var url = require('url')
 var gitHosts = require('./git-host-info.js')
 var GitHost = module.exports = require('./git-host.js')
-var LRU = require('lru-cache')
-var cache = new LRU({max: 1000})
 
 var protocolToRepresentationMap = {
   'git+ssh:': 'sshurl',
@@ -24,15 +22,17 @@ var authProtocols = {
   'git+http:': true
 }
 
+var cache = {}
+
 module.exports.fromUrl = function (giturl, opts) {
   if (typeof giturl !== 'string') return
   var key = giturl + JSON.stringify(opts || {})
 
-  if (!cache.has(key)) {
-    cache.set(key, fromUrl(giturl, opts))
+  if (!(key in cache)) {
+    cache[key] = fromUrl(giturl, opts)
   }
 
-  return cache.get(key)
+  return cache[key]
 }
 
 function fromUrl (giturl, opts) {