gwt: Updated .gitignore file
gwt: Updated .gitignore file

Removed obsolete entries for SharedGwt module,
which no longer exists.

Change-Id: Id12ad82f35e14ed07fb208682a7983e57ccd4bd6

yapengsong/ovirt-engine,Dhandapani/gluster-ovirt,halober/ovirt-engine,yapengsong/ovirt-engine,eayun/ovirt-engine,yingyun001/ovirt-engine,OpenUniversity/ovirt-engine,yapengsong/ovirt-engine,OpenUniversity/ovirt-engine,yingyun001/ovirt-engine,derekhiggins/ovirt-engine,OpenUniversity/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine,yingyun001/ovirt-engine,eayun/ovirt-engine,yapengsong/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,derekhiggins/ovirt-engine,Dhandapani/gluster-ovirt,OpenUniversity/ovirt-engine,walteryang47/ovirt-engine,walteryang47/ovirt-engine,OpenUniversity/ovirt-engine,zerodengxinchao/ovirt-engine,halober/ovirt-engine,derekhiggins/ovirt-engine,zerodengxinchao/ovirt-engine,derekhiggins/ovirt-engine,walteryang47/ovirt-engine,halober/ovirt-engine,zerodengxinchao/ovirt-engine,halober/ovirt-engine,Dhandapani/gluster-ovirt,eayun/ovirt-engine,Dhandapani/gluster-ovirt,yapengsong/ovirt-engine,Dhandapani/gluster-ovirt,walteryang47/ovirt-engine,yingyun001/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine