Fix small grammar error
Fix small grammar error

The "to eliminate" construction sits in a weird place where it's not
really functioning as an infinitive or as a proper prepositional phrase.
The "for eliminating" removes this ambiguity and reads a little cleaner.

mongodb/mongo-perl-driver,xdg/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,dagolden/mongo-perl-driver,jorol/mongo-perl-driver,xdg/mongo-perl-driver,dagolden/mongo-perl-driver,jorol/mongo-perl-driver,mongodb/mongo-perl-driver,gormanb/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,mongodb/mongo-perl-driver,gormanb/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,dagolden/mongo-perl-driver,gormanb/mongo-perl-driver,dagolden/mongo-perl-driver,jorol/mongo-perl-driver,xdg/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,jorol/mongo-perl-driver,gormanb/mongo-perl-driver