MT#22615 Remove out-of-date release documentation-only module

The current documentation is just wrong and does not correspond with
current practices. This is also already covered in the Internal Handbook,
and there's no point in duplicating the information which has the danger
of easily getting out-of-sync.

Change-Id: I9662508d5cee2a7735e48cb4860ea41d697c7981

lib/Sipwise/Release.pm

@@ -1,39 +0,0 @@
-package Sipwise::Release 1.005;
-use Sipwise::Base;
-
-__END__
-
-=encoding UTF-8
-
-=head1 NAME
-
-Sipwise::Release - Sipwise Release Documentation
-
-=head1 VERSION
-
-This document describes Sipwise::Release version 1.005
-
-=head1 TAGGING A NEW RELEASE
-
-=over
-
-=item Create a new entry in the Changes file
-
-=item Update debian/changelog using the command git-dch like this:
-C<git-dch --id-length=7 --meta --multimaint-merge --ignore-branch --release --auto>
-
-=item Update the perl files using:
-C<perl-reversion -dryrun -set $VERSION>. Remove C<-dryrun> to actually
-run this command.
-
-=item git commit your work with $VERSION as commit message
-
-=item run C<git tag -u $KEY -s $VERSION>
-
-=item run C<git push> and C<git push --tags>
-
-=back
-
-=head1 AUTHOR
-
-C<< <gjungwirth@sipwise.com> >>