Fixed: Cleanup of fontinfo and imagesize Jakefile

Tools/fontinfo/Jakefile

@@ -1,10 +1,7 @@
 require("../../common.jake");
 
-var /* OS = require("os"), */
-    task = JAKE.task;
-    //SYSTEM = require("system");
-
 const child_process = require("child_process");
+const task = JAKE.task;
 
 task ("build", function()
 {

Tools/imagesize/Jakefile

@@ -1,9 +1,7 @@
 require("../../common.jake");
 
 const child_process = require("child_process");
-
-var /* OS = require("os"), */
-    task = JAKE.task;
+const task = JAKE.task;
 
 task ("build", function()
 {