[Glitch] Run eslint --fix

I don't like it changing files this way, but it's basically what
c49213f0ea and a few others did.

app/javascript/flavours/glitch/components/column.js

@@ -29,11 +29,11 @@ export default class Column extends React.PureComponent {
     }
 
     this._interruptScrollAnimation();
-  }
+  };
 
   setRef = c => {
     this.node = c;
-  }
+  };
 
   componentDidMount () {
     if (this.props.bindToDocument) {