Specs: Remove unnecessary block argument

Author: jonathanschlue-as

spec/check-minio-update_spec.rb

@@ -80,7 +80,7 @@
     end
   end
 
-  context 'with release url not found' do ||
+  context 'with release url not found' do
     let(:response) { { body: '404 Not Found', status: 404 } }
 
     it 'should be unknown' do