remove references to systems in our code whenever possible

client/homebrew/navbar/metadata.navitem.jsx

@@ -46,11 +46,6 @@ const MetadataNav = createReactClass({
 		</>;
 	},
 
-	getSystems : function(){
-		if(!this.props.brew.systems || this.props.brew.systems.length == 0) return 'No systems';
-		return this.props.brew.systems.join(', ');
-	},
-
 	renderMetaWindow : function(){
 		return <div className={`window ${this.state.showMetaWindow ? 'active' : 'inactive'}`}>
 			<div className='row'>
@@ -65,10 +60,6 @@ const MetadataNav = createReactClass({
 				<h4>Tags</h4>
 				<p>{this.getTags()}</p>
 			</div>
-			<div className='row'>
-				<h4>Systems</h4>
-				<p>{this.getSystems()}</p>
-			</div>
 			<div className='row'>
 				<h4>Updated</h4>
 				<p>{Moment(this.props.brew.updatedAt).fromNow()}</p>

client/homebrew/navbar/newbrew.navitem.jsx

@@ -24,7 +24,7 @@ const NewBrew = ()=>{
 				localStorage.setItem(BREWKEY, newBrew.text);
 				localStorage.setItem(STYLEKEY, newBrew.style);
 				localStorage.setItem(METAKEY, JSON.stringify(
-					_.pick(newBrew, ['title', 'description', 'tags', 'systems', 'renderer', 'theme', 'lang'])
+					_.pick(newBrew, ['title', 'description', 'tags', 'renderer', 'theme', 'lang'])
 				));
 				window.location.href = '/new';
 				return;

server/brewDefaults.js

@@ -14,7 +14,6 @@ const DEFAULT_BREW = {
 	theme       : '5ePHB',
 	authors     : [],
 	tags        : [],
-	systems     : [],
 	lang        : 'en',
 	thumbnail   : '',
 	views       : 0,

server/googleActions.js

@@ -151,7 +151,6 @@ const GoogleActions = {
 				description : file.description,
 				views       : parseInt(file.properties.views),
 				published   : file.properties.published ? file.properties.published == 'true' : false,
-				systems     : [],
 				lang        : file.properties.lang,
 				thumbnail   : file.properties.thumbnail,
 				webViewLink : file.webViewLink
@@ -298,7 +297,6 @@ const GoogleActions = {
 				text    : file.data,
 
 				description : obj.data.description,
-				systems     : obj.data.properties.systems ? obj.data.properties.systems.split(',') : [],
 				authors     : [],
 				lang        : obj.data.properties.lang,
 				published   : obj.data.properties.published ? obj.data.properties.published == 'true' : false,