lib: replace ShowHideButton with shortcut

We have a hot key for showing and hiding the user bar. It looks weird
and awkward, so remove it.

lib/views/channel.js

@@ -6,7 +6,6 @@ const Base = require('vdelement')
 const Userbar = require('./userbar')
 const linker = require('../linker')
 const Message = require('./message-log')
-const ShowHideButton = require('./components/show-hide-button')
 
 module.exports = Channel
 
@@ -18,7 +17,6 @@ function Channel(target) {
 
   this.ub = new Userbar(this.target)
   this.message = new Message(this.target)
-  this.showHide = new ShowHideButton(this.target)
 }
 inherits(Channel, Base)
 
@@ -42,7 +40,6 @@ Channel.prototype.render = function render(channel) {
     : ''
 
   const hideUserbar = this.target.settings.get('userbar.hidden')
-  const showHide = this.showHide.render(hideUserbar)
 
   const ubcl = hideUserbar
     ? 'userbar-hidden'
@@ -55,8 +52,7 @@ Channel.prototype.render = function render(channel) {
   return [
     h('irc-header.pure-g', [
       h('.pure-u-1-1', [
-        showHide
-      , h('h2.title', channel.name)
+        h('h2.title', channel.name)
       , h('p.subtitle', topic)
       ])
     ])

test/views/channel.js

@@ -61,13 +61,10 @@ test('ChannelView', (t) => {
   })
 
   const hhkids = headerKid.children
-  t.equal(hhkids.length, 3, 'header.children[0].children has 2 objects')
+  t.equal(hhkids.length, 2, 'header.children[0].children has 2 objects')
 
-  const btn = hhkids[0]
-  t.equal(btn.tagName, 'BUTTON')
 
-
-  const title = hhkids[1]
+  const title = hhkids[0]
   t.equal(title.tagName, 'H2')
   t.deepEqual(title.properties, {
     className: 'title'