Removed no-longer-needed repos
Removed no-longer-needed repos

sjyk/sampleclean,sameeragarwal/blinkdb,mapr/shark,amplab/shark,alabid/blinkdb,mattyb149/blinkdb,amplab/shark,lzshlzsh/shark,amplab/shark,mapr/shark,mapr/shark,alabid/blinkdb,sameeragarwal/blinkdb,sjyk/sampleclean,sameeragarwal/blinkdb,alabid/blinkdb,sjyk/sampleclean,lzshlzsh/shark,lzshlzsh/shark,mattyb149/blinkdb,mattyb149/blinkdb