esteid-browser-plugin: removed useless virtual keywords from MacUI.h
esteid-browser-plugin: removed useless virtual keywords from MacUI.h

git-svn-id: 804e3bcc3d5e1f71d31da0afe626cb969e0fc117@2954 0d7e1ef0-d974-fc83-f0b3-ccc071561e0e

kalev/esteid-browser-plugin,kalev/esteid-browser-plugin,kalev/esteid-browser-plugin,kalev/esteid-browser-plugin,kalev/esteid-browser-plugin,kalev/esteid-browser-plugin