Gemfile.rails52 in ndr_import-8.5.1

- old
+ new

@@ -1,9 +1,6 @@
 source 'https://rubygems.org'
 
-# ooxml_decrypt is not published to rubygems.org so we need to specify where it is
-gem 'ooxml_decrypt', git: 'https://github.com/timgentry/ooxml_decrypt'
-
 gemspec path: '..'
 
 gem 'activesupport', '~> 5.2.0'
 
 gem 'ndr_support', tag: 'v5.4.0', git: 'https://github.com/PublicHealthEngland/ndr_support'