Revert "don't explode if state.movingText is null."

This reverts commit 88450055e2.

src/movable-text.jsx

@@ -21,11 +21,6 @@ define(function(require) {
       }.bind(this));
       hammer.on('panend', function(e) {
         var movingText = this.state.movingText;
-        if (!movingText) {
-          // Not sure how this can happen, but apparently it does...
-          console.log("state.movingText is null, how odd.");
-          return;
-        }
         this.props.firebaseRef.update({
           x: movingText.x,
           y: movingText.y