MT#8507 Remove libdigest-sha3-perl dependency.

The code was commented out anyways, so it's just removed entirely.
MT#8507 Remove more unused functions.
drop libcarp-fix-1-25-perl (testing)
drop libhash-storediterator-perl (testing)
add libmoosex-method-signatures-perl to depends (actually pulled in on ngcp only thanks to ngcp-schema/libsipwise-base-perl)
add libperl5i-perl to depends (actually pulled in on ngcp only thanks to ngcp-schema/libsipwise-base-perl)
drop libstrictures-perl (testing)
add libtrycatch-perl to depends (actually pulled in on ngcp only thanks to libsipwise-base-perl)
drop libchi-perl (testing)
MT#8395 Drop (Build-)Dependency on libcatalyst-plugin-email-perl
MT#5599 Get rid of (Build-)Dependency on libcatalyst-plugin-enablemiddleware-perl
drop dependency on libjson-multivalueordered-perl (unused?)
MT#8397 Get rid of (Build-)Dependency on libmoosex-fileattribute-perl