Fix remaining lint problems in textnote.js
Fix remaining lint problems in textnote.js

Silverwolf90/vexflow,Tails/vexflow,Huji/vexflow,Silverwolf90/vexflow,aaronmars/vexflow,Huji/vexflow,aaronmars/vexflow,aaronmars/vexflow,Tails/vexflow,Tails/vexflow,Silverwolf90/vexflow,Huji/vexflow