From 25ddecab504d2a51fb8d0362df4c8610c86c6c2f Mon Sep 17 00:00:00 2001
From: Neil Fraser <fraser@google.com>
Date: Fri, 10 May 2019 16:39:32 -0700
Subject: [PATCH] Undo workaround for IE10.
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Due to no longer supporting IE10, we don’t need the code added here: https://github.com/google/blockly/commit/92f388000801e5a67aad093ef578b6e930b5840b
---
 core/block_svg.js             |  4 ++--
 core/utils.js                 | 19 +------------------
 core/workspace_comment_svg.js |  2 +-
 3 files changed, 4 insertions(+), 21 deletions(-)

diff --git a/core/block_svg.js b/core/block_svg.js
index ea5b51aa7..3b08c919f 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -429,7 +429,7 @@ Blockly.BlockSvg.prototype.moveDuringDrag = function(newLoc) {
  * @private
  */
 Blockly.BlockSvg.prototype.clearTransformAttributes_ = function() {
-  Blockly.utils.removeAttribute(this.getSvgRoot(), 'transform');
+  this.getSvgRoot().removeAttribute('transform');
 };
 
 /**
@@ -1194,7 +1194,7 @@ Blockly.BlockSvg.prototype.setHighlighted = function(highlighted) {
         'url(#' + this.workspace.options.embossFilterId + ')');
     this.svgPathLight_.style.display = 'none';
   } else {
-    Blockly.utils.removeAttribute(this.svgPath_, 'filter');
+    this.svgPath_.removeAttribute('filter');
     delete this.svgPathLight_.style.display;
   }
 };
diff --git a/core/utils.js b/core/utils.js
index a97e56a8c..52187c160 100644
--- a/core/utils.js
+++ b/core/utils.js
@@ -36,22 +36,6 @@ goog.require('goog.dom');
 goog.require('goog.math.Coordinate');
 
 
-/**
- * Remove an attribute from a element even if it's in IE 10.
- * Similar to Element.removeAttribute() but it works on SVG elements in IE 10.
- * Sets the attribute to null in IE 10, which treats removeAttribute as a no-op
- * if it's called on an SVG element.
- * @param {!Element} element DOM element to remove attribute from.
- * @param {string} attributeName Name of attribute to remove.
- */
-Blockly.utils.removeAttribute = function(element, attributeName) {
-  if (Blockly.utils.userAgent.IE10) {
-    element.setAttribute(attributeName, null);
-  } else {
-    element.removeAttribute(attributeName);
-  }
-};
-
 /**
  * Add a CSS class to a element.
  * Similar to Closure's goog.dom.classes.add, except it handles SVG elements.
@@ -93,7 +77,7 @@ Blockly.utils.removeClass = function(element, className) {
   if (classList.length) {
     element.setAttribute('class', classList.join(' '));
   } else {
-    Blockly.utils.removeAttribute(element, 'class');
+    element.removeAttribute('class');
   }
   return true;
 };
@@ -1060,7 +1044,6 @@ Blockly.utils.userAgent = {};
   // Browsers.  Logic from:
   // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/browser.js
   Blockly.utils.userAgent.IE = has('Trident') || has('MSIE');
-  Blockly.utils.userAgent.IE10 = has('MSIE 10.0');  // 10.1 does not exist.
   Blockly.utils.userAgent.EDGE = has('Edge');
   // Useragent for JavaFX:
   // Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.44
diff --git a/core/workspace_comment_svg.js b/core/workspace_comment_svg.js
index 61a1655bf..b76614f1a 100644
--- a/core/workspace_comment_svg.js
+++ b/core/workspace_comment_svg.js
@@ -410,7 +410,7 @@ Blockly.WorkspaceCommentSvg.prototype.moveTo = function(x, y) {
  * @private
  */
 Blockly.WorkspaceCommentSvg.prototype.clearTransformAttributes_ = function() {
-  Blockly.utils.removeAttribute(this.getSvgRoot(), 'transform');
+  this.getSvgRoot().removeAttribute('transform');
 };
 
 /**