(CONT-812) Remove Puppet 5 check for plans

Author: chelnak

lib/puppet-strings/yard/parsers/puppet/parser.rb

@@ -22,10 +22,6 @@ def initialize(source, filename) # rubocop:disable Lint/MissingSuper
   # @return [void]
   def parse
     begin
-      if @file.to_s.match?(%r{^plans|/plans/}) && Puppet::Util::Package.versioncmp(Puppet.version, '5.0.0').negative?
-        log.warn "Skipping #{@file}: Puppet Plans require Puppet 5 or greater."
-        return
-      end
       Puppet[:tasks] = true if Puppet.settings.include?(:tasks)
       @statements ||= (@visitor.visit(::Puppet::Pops::Parser::Parser.new.parse_string(source)) || []).compact
     rescue ::Puppet::ParseError => e