feat: remove unused html ids (#51)

So you don't have to use DOM unique node IDs

Author: buckles1170

demo/src/examples/Extensions.js

@@ -20,7 +20,6 @@ const Selection = ({ node, children, onChange }) => {
   return (
     <span>
       <i
-        id={node.id}
         className={className}
         onClick={() => onChange({
           node: {

demo/src/examples/Renderers.js

@@ -15,7 +15,6 @@ const Deepness = ({ node, children }) => {
   return (
     <span>
       <i
-        id={node.id}
         className={className}>
       </i>
       { children }

src/renderers/Expandable.js

@@ -29,7 +29,6 @@ const Expandable = ({
     <span onDoubleClick={handleChange}>
       <i
         tabIndex={0}
-        id={node.id}
         onKeyDown={submitEvent(handleChange)}
         onClick={handleChange}
         className={className}>