Clean up the deprecated middleware classes.
Clean up the deprecated middleware classes.

wyzex/mezzanine,biomassives/mezzanine,readevalprint/mezzanine,Cajoline/mezzanine,ZeroXn/mezzanine,fusionbox/mezzanine,gbosh/mezzanine,dekomote/mezzanine-modeltranslation-backport,frankchin/mezzanine,orlenko/plei,christianwgd/mezzanine,PegasusWang/mezzanine,douglaskastle/mezzanine,webounty/mezzanine,adrian-the-git/mezzanine,agepoly/mezzanine,geodesign/mezzanine,dsanders11/mezzanine,emile2016/mezzanine,wbtuomela/mezzanine,geodesign/mezzanine,stephenmcd/mezzanine,nikolas/mezzanine,jjz/mezzanine,spookylukey/mezzanine,Kniyl/mezzanine,eino-makitalo/mezzanine,saintbird/mezzanine,dovydas/mezzanine,viaregio/mezzanine,Cajoline/mezzanine,viaregio/mezzanine,christianwgd/mezzanine,jerivas/mezzanine,mush42/mezzanine,PegasusWang/mezzanine,joshcartme/mezzanine,ryneeverett/mezzanine,SoLoHiC/mezzanine,emile2016/mezzanine,SoLoHiC/mezzanine,jjz/mezzanine,vladir/mezzanine,stbarnabas/mezzanine,adrian-the-git/mezzanine,nikolas/mezzanine,dustinrb/mezzanine,biomassives/mezzanine,ryneeverett/mezzanine,gbosh/mezzanine,dekomote/mezzanine-modeltranslation-backport,webounty/mezzanine,douglaskastle/mezzanine,molokov/mezzanine,vladir/mezzanine,theclanks/mezzanine,guibernardino/mezzanine,ryneeverett/mezzanine,frankchin/mezzanine,emile2016/mezzanine,dustinrb/mezzanine,sjuxax/mezzanine,sjdines/mezzanine,cccs-web/mezzanine,Cicero-Zhao/mezzanine,frankier/mezzanine,wrwrwr/mezzanine,jerivas/mezzanine,viaregio/mezzanine,dustinrb/mezzanine,theclanks/mezzanine,readevalprint/mezzanine,dsanders11/mezzanine,Skytorn86/mezzanine,SoLoHiC/mezzanine,fusionbox/mezzanine,douglaskastle/mezzanine,wyzex/mezzanine,spookylukey/mezzanine,orlenko/sfpirg,readevalprint/mezzanine,gradel/mezzanine,promil23/mezzanine,jjz/mezzanine,tuxinhang1989/mezzanine,promil23/mezzanine,eino-makitalo/mezzanine,stephenmcd/mezzanine,scarcry/snm-mezzanine,molokov/mezzanine,jerivas/mezzanine,nikolas/mezzanine,Skytorn86/mezzanine,molokov/mezzanine,frankier/mezzanine,cccs-web/mezzanine,scarcry/snm-mezzanine,orlenko/sfpirg,dovydas/mezzanine,geodesign/mezzanine,sjdines/mezzanine,AlexHill/mezzanine,saintbird/mezzanine,gbosh/mezzanine,stbarnabas/mezzanine,sjuxax/mezzanine,ZeroXn/mezzanine,Cicero-Zhao/mezzanine,damnfine/mezzanine,webounty/mezzanine,tuxinhang1989/mezzanine,joshcartme/mezzanine,spookylukey/mezzanine,sjdines/mezzanine,damnfine/mezzanine,AlexHill/mezzanine,damnfine/mezzanine,agepoly/mezzanine,dekomote/mezzanine-modeltranslation-backport,wyzex/mezzanine,theclanks/mezzanine,gradel/mezzanine,Skytorn86/mezzanine,orlenko/plei,christianwgd/mezzanine,industrydive/mezzanine,dovydas/mezzanine,scarcry/snm-mezzanine,eino-makitalo/mezzanine,frankchin/mezzanine,industrydive/mezzanine,agepoly/mezzanine,saintbird/mezzanine,orlenko/sfpirg,vladir/mezzanine,adrian-the-git/mezzanine,orlenko/plei,biomassives/mezzanine,joshcartme/mezzanine,PegasusWang/mezzanine,sjuxax/mezzanine,batpad/mezzanine,tuxinhang1989/mezzanine,industrydive/mezzanine,mush42/mezzanine,guibernardino/mezzanine,frankier/mezzanine,ZeroXn/mezzanine,wbtuomela/mezzanine,batpad/mezzanine,Kniyl/mezzanine,gradel/mezzanine,Kniyl/mezzanine,Cajoline/mezzanine,dsanders11/mezzanine,stephenmcd/mezzanine,promil23/mezzanine,wrwrwr/mezzanine,wbtuomela/mezzanine,mush42/mezzanine