Don't set wxINTERPOLATION_GOOD quality by default in wxGDIPlusContext.

This is inconsistent with wxOSX and also doesn't play well with the existence
of wxINTERPOLATION_DEFAULT which is different from wxINTERPOLATION_GOOD.

See #14134.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76305 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Nepalese translations update from Him Prasad Gautam.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76306 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775