CRM-13970 - Remove redundant option group page/form

CRM/Admin/Form/OptionValue.php

CRM/Admin/Form/Options.php

CRM/Admin/Page/OptionGroup.php

CRM/Admin/Page/OptionValue.php

CRM/Admin/Page/Options.php

CRM/Campaign/BAO/Petition.php

CRM/Campaign/xml/Menu/Campaign.xml

CRM/Case/xml/Menu/Case.xml

CRM/Contribute/xml/Menu/Contribute.xml

CRM/Core/Invoke.php

CRM/Core/xml/Menu/Admin.xml

CRM/Core/xml/Menu/Misc.xml

CRM/Event/xml/Menu/Event.xml

CRM/Mailing/xml/Menu/Mailing.xml

CRM/Upgrade/Incremental/sql/4.5.alpha1.mysql.tpl

templates/CRM/Admin/Form/Options.tpl

templates/CRM/Admin/Page/OptionGroup.tpl

templates/CRM/Admin/Page/Options.tpl

templates/CRM/Contribute/Form/ContributionPage/Settings.tpl

tools/CRM/Auction/xml/Menu/Auction.xml