Revert "Slight optimization in the textarea code"

client/js/lounge.js

@@ -632,8 +632,6 @@ $(function() {
 		.history()
 		.on("input keyup", function() {
 			var style = window.getComputedStyle(this);
-			var origHeight = this.style.height;
-
 			this.style.height = "0px";
 			this.offsetHeight; // force reflow
 			this.style.height = Math.min(
@@ -643,9 +641,7 @@ $(function() {
 				+ Math.round(parseFloat(style.borderBottomWidth) || 0)
 			) + "px";
 
-			if (this.style.height !== origHeight) {
 			$("#chat .chan.active .chat").trigger("msg.sticky"); // fix growing
-			}
 		})
 		.tab(complete, {hint: false});