Revert "Optimize javascript minification, slight increase of file size, but massive performance improvement"

This reverts commit b32f883a9d.

node/utils/Minify.js

@@ -326,6 +326,7 @@ function compressJS(values)
   var complete = values.join("\n");
   var ast = jsp.parse(complete); // parse code and get the initial AST
   ast = pro.ast_mangle(ast); // get a new AST with mangled names
+  ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
   return pro.gen_code(ast); // compressed code here
 }