Remove a confusing if block.
Remove a confusing if block.

We had what looked like buggy code - nothing happening when link is false - but
actually link is always true by that point.

graingert/pip,rouge8/pip,squidsoup/pip,atdaemon/pip,jythontools/pip,graingert/pip,qbdsoft/pip,sbidoul/pip,haridsv/pip,sigmavirus24/pip,qbdsoft/pip,luzfcb/pip,alex/pip,techtonik/pip,chaoallsome/pip,dstufft/pip,blarghmatey/pip,mujiansu/pip,James-Firth/pip,tdsmith/pip,luzfcb/pip,caosmo/pip,jamezpolley/pip,zvezdan/pip,alex/pip,harrisonfeng/pip,tdsmith/pip,jasonkying/pip,davidovich/pip,zenlambda/pip,atdaemon/pip,h4ck3rm1k3/pip,rouge8/pip,pfmoore/pip,KarelJakubec/pip,xavfernandez/pip,nthall/pip,KarelJakubec/pip,chaoallsome/pip,esc/pip,fiber-space/pip,zenlambda/pip,yati-sagade/pip,supriyantomaftuh/pip,pypa/pip,natefoo/pip,Gabriel439/pip,xavfernandez/pip,RonnyPfannschmidt/pip,willingc/pip,jasonkying/pip,rbtcollins/pip,haridsv/pip,ncoghlan/pip,atdaemon/pip,jmagnusson/pip,sigmavirus24/pip,habnabit/pip,zenlambda/pip,zorosteven/pip,sbidoul/pip,haridsv/pip,pfmoore/pip,habnabit/pip,nthall/pip,ncoghlan/pip,jmagnusson/pip,nthall/pip,tdsmith/pip,jythontools/pip,willingc/pip,alex/pip,natefoo/pip,squidsoup/pip,chaoallsome/pip,ChristopherHogan/pip,pypa/pip,ncoghlan/pip,yati-sagade/pip,RonnyPfannschmidt/pip,erikrose/pip,Gabriel439/pip,benesch/pip,dstufft/pip,jasonkying/pip,harrisonfeng/pip,KarelJakubec/pip,qbdsoft/pip,davidovich/pip,mujiansu/pip,zorosteven/pip,mindw/pip,mujiansu/pip,wkeyword/pip,erikrose/pip,zvezdan/pip,fiber-space/pip,xavfernandez/pip,ChristopherHogan/pip,jmagnusson/pip,mindw/pip,pradyunsg/pip,blarghmatey/pip,squidsoup/pip,zvezdan/pip,jamezpolley/pip,prasaianooz/pip,jamezpolley/pip,habnabit/pip,caosmo/pip,natefoo/pip,supriyantomaftuh/pip,yati-sagade/pip,prasaianooz/pip,rouge8/pip,fiber-space/pip,esc/pip,graingert/pip,blarghmatey/pip,James-Firth/pip,Gabriel439/pip,pradyunsg/pip,davidovich/pip,dstufft/pip,prasaianooz/pip,techtonik/pip,willingc/pip,caosmo/pip,wkeyword/pip,James-Firth/pip,luzfcb/pip,esc/pip,sigmavirus24/pip,supriyantomaftuh/pip,erikrose/pip,benesch/pip,mindw/pip,benesch/pip,rbtcollins/pip,wkeyword/pip,zorosteven/pip,techtonik/pip,h4ck3rm1k3/pip,jythontools/pip,RonnyPfannschmidt/pip,h4ck3rm1k3/pip,ChristopherHogan/pip,harrisonfeng/pip,rbtcollins/pip