puppet: Remove unused 'builder' files.

These are leftover detritus from the "builder" host, which was removed
in 4c9a283542.

puppet/zulip/lib/puppet/type/chroot.rb

@@ -1,31 +0,0 @@
-Puppet::Type.newtype(:chroot) do
-  ensurable
-  newparam(:release) do
-    desc "The name of the release"
-    isnamevar
-  end
-  newparam(:distro) do
-    desc "The name of the Linux distribution (Debian, Ubuntu)"
-  end
-end
-
-Puppet::Type.type(:chroot).provide(:chroot) do
-  def exists?
-    File.exists?("/var/lib/schroot/chroots/" + resource[:release] + "-amd64")
-  end
-
-  def create
-    if @resource[:distro] == "ubuntu"
-      mirror = "http://mirror.cc.columbia.edu/pub/linux/ubuntu/archive/"
-    else
-      mirror = "http://mirror.cc.columbia.edu/debian"
-    end
-    ["amd64", "i386"].each { |x|
-      system("mk-sbuild #{@resource[:release]} --arch=#{x} --debootstrap-mirror=#{mirror} --distro=#{@resource[:distro]}")
-    }
-  end
-
-  def destroy
-    system("rm -rf /var/lib/schroot/chroots/#{@resource[:release]}-*")
-  end
-end

puppet/zulip_ops/files/builder/sbuildrc

@@ -1,21 +0,0 @@
-# Mail address where logs are sent to (mandatory, no default!)
-$mailto = 'buildd-maintainers@zulip.net';
-
-# Directory for chroot symlinks and sbuild logs.  Defaults to the
-# current directory if unspecified. (Deprecated.) Leave this unset;
-# umt compare-bin relies upon this being unset.
-#
-# The above comment is a lie. ~ lfaraone
-$build_dir='/home/zulip/ubuntu/build';
-
-# Directory for writing build logs to
-$log_dir="/home/zulip/ubuntu/logs";
-
-# Override default sbuild dependency resolver (see 'man sbuild'). The default
-# resolver (apt) mostly works ok but not always (eg, oneiric libreoffice).
-# Use 'apt', 'aptitude', 'internal'. Can also use '--build-dep-resolver' with
-# sbuild or '--sbuild-dep-resolver' with umt.
-#$build_dep_resolver="apt";
-
-# don't remove this, Perl needs it:
-1;