Don't run update_externalfiles in Dockerfile.
Don't run update_externalfiles in Dockerfile.

External files are stored in database since baf6555.

jpetto/bedrock,mozilla/bedrock,glogiotatidis/bedrock,Sancus/bedrock,Sancus/bedrock,analytics-pros/mozilla-bedrock,sgarrity/bedrock,TheoChevalier/bedrock,glogiotatidis/bedrock,alexgibson/bedrock,MichaelKohler/bedrock,hoosteeno/bedrock,schalkneethling/bedrock,flodolo/bedrock,gauthierm/bedrock,analytics-pros/mozilla-bedrock,gauthierm/bedrock,TheoChevalier/bedrock,alexgibson/bedrock,pmclanahan/bedrock,craigcook/bedrock,jgmize/bedrock,TheJJ100100/bedrock,alexgibson/bedrock,TheJJ100100/bedrock,mermi/bedrock,sylvestre/bedrock,mozilla/bedrock,TheoChevalier/bedrock,kyoshino/bedrock,glogiotatidis/bedrock,TheJJ100100/bedrock,mozilla/bedrock,l-hedgehog/bedrock,davehunt/bedrock,analytics-pros/mozilla-bedrock,kyoshino/bedrock,mermi/bedrock,CSCI-462-01-2017/bedrock,mkmelin/bedrock,mermi/bedrock,mkmelin/bedrock,flodolo/bedrock,analytics-pros/mozilla-bedrock,hoosteeno/bedrock,jgmize/bedrock,MichaelKohler/bedrock,gerv/bedrock,pmclanahan/bedrock,gauthierm/bedrock,flodolo/bedrock,gauthierm/bedrock,TheJJ100100/bedrock,pascalchevrel/bedrock,mkmelin/bedrock,glogiotatidis/bedrock,ericawright/bedrock,jgmize/bedrock,pmclanahan/bedrock,flodolo/bedrock,schalkneethling/bedrock,craigcook/bedrock,sylvestre/bedrock,kyoshino/bedrock,TheoChevalier/bedrock,kyoshino/bedrock,CSCI-462-01-2017/bedrock,Sancus/bedrock,ericawright/bedrock,l-hedgehog/bedrock,sylvestre/bedrock,Sancus/bedrock,hoosteeno/bedrock,sylvestre/bedrock,davehunt/bedrock,CSCI-462-01-2017/bedrock,pascalchevrel/bedrock,pascalchevrel/bedrock,gerv/bedrock,MichaelKohler/bedrock,pmclanahan/bedrock,gerv/bedrock,alexgibson/bedrock,sgarrity/bedrock,ericawright/bedrock,craigcook/bedrock,schalkneethling/bedrock,CSCI-462-01-2017/bedrock,mkmelin/bedrock,ericawright/bedrock,jpetto/bedrock,jpetto/bedrock,davehunt/bedrock,gerv/bedrock,MichaelKohler/bedrock,jgmize/bedrock,davehunt/bedrock,sgarrity/bedrock,pascalchevrel/bedrock,mermi/bedrock,l-hedgehog/bedrock,craigcook/bedrock,l-hedgehog/bedrock,mozilla/bedrock,hoosteeno/bedrock,schalkneethling/bedrock,sgarrity/bedrock,jpetto/bedrock