[ARVADOS] deleted: 2.1.0-1422-gff05fbdf1

[Git user]

       was  ff05fbdf1fb4d68d519840d6f2007cf24064395f

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ff05fbdf1fb4d68d519840d6f2007cf24064395f 18245: Update the "Ruby and Bundler" installation page: - installing the system bundler package is no longer needed - the RVM installation method already installs bundler, no need to do   that explicitly - update the references to the latest Ruby 2.5.x version - remove reference to Ubuntu 16.04 which is no longer supported - update the "install from source" documentation to make it work with   the Arvados rails packages
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hooks/post-receive
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