Need to eliminate dependencies on sp

[joelnitta]

> rand_test_results <- cpr_rand_test(phylocom$comm, phylocom$phy, null_model = "curveball")
Warning: Abundance data detected. Results will be the same as if using presence/absence data (no abundance weighting is used).
Warning: Dropping tips from the tree because they are not present in the community data: 
 sp16, sp23, sp27, sp28, sp30, sp31, sp32
rgeos version: 0.6-3, (SVN revision 696)
 GEOS runtime version: 3.11.0-CAPI-1.17.0 
 Please note that rgeos will be retired during October 2023,
plan transition to sf or terra functions using GEOS at your earliest convenience.
See https://r-spatial.org/r/2023/05/15/evolution4.html for details.
 GEOS using OverlayNG
 Linking to sp version: 1.6-0 
 Polygon checking: TRUE