Uplevel xterm to 2.1.0

Fixes #11542

npm-shrinkwrap.json

@@ -430,9 +430,9 @@
       "resolved": "https://registry.npmjs.org/winreg/-/winreg-1.2.0.tgz"
     },
     "xterm": {
-      "version": "2.0.1",
-      "from": "git+https://github.com/Tyriar/xterm.js.git#vscode-release/1.7",
-      "resolved": "git+https://github.com/Tyriar/xterm.js.git#901d42fe43c37f38bf0375fb1e99279a16eb2738"
+      "version": "2.1.0",
+      "from": "xterm@2.1.0",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-2.1.0.tgz"
     },
     "yauzl": {
       "version": "2.3.1",

package.json

@@ -35,7 +35,7 @@
     "vscode-debugprotocol": "1.14.0",
     "vscode-textmate": "2.3.1",
     "winreg": "1.2.0",
-    "xterm": "git+https://github.com/Tyriar/xterm.js.git#vscode-release/1.7",
+    "xterm": "2.1.0",
     "yauzl": "2.3.1"
   },
   "devDependencies": {