Removed in-existent source map file

Removed in-existent source map file
//@ sourceMappingURL=jquery-2.0.3.min.map

To avoid the error:

Denying load of chrome-extension://nhjloagockgobfpopemejpgjjechcpfd/js/jquery.min.map. Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension.