Remove reference to deleted logo from package.json

Author: avli

package.json

@@ -2,7 +2,7 @@
     "name": "clojure",
     "displayName": "Clojure",
     "description": "Clojure nREPL support for Visual Studio Code",
-    "version": "0.13.1",
+    "version": "0.13.2",
     "publisher": "avli",
     "author": {
         "name": "Andrey Lisin",
@@ -51,7 +51,6 @@
         }
     ],
     "license": "MIT",
-    "icon": "images/icon.png",
     "engines": {
         "vscode": "^1.14.0"
     },