Remove explicit dependency on activesupport
Remove explicit dependency on activesupport

activerecord depends on activesupport, so there's no need for us
to explicitly depend on it.

jnstq/paper_trail,ifeelgoods/paper_trail,ifeelgoods/paper_trail,airblade/paper_trail,airblade/paper_trail,jnstq/paper_trail,devonestes/paper_trail