#435 Remove reduce test accoarding to code review
#435 Remove reduce test accoarding to code review

Per code review, removing reduce test as the callReduce method will return nil when there is no reduce. The code is also cleaner without the test.

ipmobiletech/couchbase-lite-ios,Chavenay/couchbase-lite-ios,macoscope/couchbase-lite-ios,lordkev/couchbase-lite-ios,pegli/couchbase-lite-ios,amco/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,tomco/couchbase-lite-ios,mz2/couchbase-lite-ios,macoscope/couchbase-lite-ios,brendand/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,alfared/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,Chavenay/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,brendand/couchbase-lite-ios,amco/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,brendand/couchbase-lite-ios,amco/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,amco/couchbase-lite-ios,brendand/couchbase-lite-ios,mz2/couchbase-lite-ios,alfared/couchbase-lite-ios,pegli/couchbase-lite-ios,pegli/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,alfared/couchbase-lite-ios,brendand/couchbase-lite-ios,tomco/couchbase-lite-ios,tomco/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,couchbase/couchbase-lite-ios,lordkev/couchbase-lite-ios,amco/couchbase-lite-ios,pegli/couchbase-lite-ios,macoscope/couchbase-lite-ios,tomco/couchbase-lite-ios,lordkev/couchbase-lite-ios,couchbase/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,couchbase/couchbase-lite-ios,Chavenay/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,lordkev/couchbase-lite-ios,macoscope/couchbase-lite-ios,amco/couchbase-lite-ios,couchbase/couchbase-lite-ios,amco/couchbase-lite-ios,alfared/couchbase-lite-ios,mz2/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios