CDRIVER-2035 don't build index and API man pages
CDRIVER-2035 don't build index and API man pages

mongoc_api.3 and mongoc_index.3 man pages include all other pages, so
skip them.

acmorrow/mongo-c-driver,jmikola/mongo-c-driver,jmikola/mongo-c-driver,jmikola/mongo-c-driver,mongodb/mongo-c-driver,acmorrow/mongo-c-driver,bjori/mongo-c-driver,rcsanchez97/mongo-c-driver,jmikola/mongo-c-driver,derickr/mongo-c-driver,mongodb/mongo-c-driver,bjori/mongo-c-driver,bjori/mongo-c-driver,beingmeta/mongo-c-driver,jmikola/mongo-c-driver,malexzx/mongo-c-driver,jmikola/mongo-c-driver,derickr/mongo-c-driver,beingmeta/mongo-c-driver,derickr/mongo-c-driver,ajdavis/mongo-c-driver,rcsanchez97/mongo-c-driver,mongodb/mongo-c-driver,rcsanchez97/mongo-c-driver,jmikola/mongo-c-driver,derickr/mongo-c-driver,remicollet/mongo-c-driver,bjori/mongo-c-driver,malexzx/mongo-c-driver,acmorrow/mongo-c-driver,bjori/mongo-c-driver,rcsanchez97/mongo-c-driver,rcsanchez97/mongo-c-driver,derickr/mongo-c-driver,remicollet/mongo-c-driver,beingmeta/mongo-c-driver,ajdavis/mongo-c-driver,beingmeta/mongo-c-driver,derickr/mongo-c-driver,remicollet/mongo-c-driver,remicollet/mongo-c-driver,acmorrow/mongo-c-driver,ajdavis/mongo-c-driver,beingmeta/mongo-c-driver,derickr/mongo-c-driver,mongodb/mongo-c-driver,mongodb/mongo-c-driver,beingmeta/mongo-c-driver,rcsanchez97/mongo-c-driver,mongodb/mongo-c-driver,remicollet/mongo-c-driver,beingmeta/mongo-c-driver,malexzx/mongo-c-driver,ajdavis/mongo-c-driver,beingmeta/mongo-c-driver,ajdavis/mongo-c-driver,mongodb/mongo-c-driver,acmorrow/mongo-c-driver,bjori/mongo-c-driver,ajdavis/mongo-c-driver,rcsanchez97/mongo-c-driver,remicollet/mongo-c-driver,acmorrow/mongo-c-driver,acmorrow/mongo-c-driver,bjori/mongo-c-driver,ajdavis/mongo-c-driver,remicollet/mongo-c-driver,malexzx/mongo-c-driver