merge_delete: Merge 'sf' Deletes
In mapedit: Interactive Editing of Spatial Data in R

Internal function used with editFeatures to apply deletes to a sf object.

1	merge_delete(orig = NULL, deletes = NULL, by = c(id = "layerId"))

`orig`	`sf` with the original or source data to which deletes should apply
`deletes`	`sf` with sf data to delete
`by`	named `vector` with the name of the vector representing the column in orig that we will use to match and the value of the vector representing the column in deletes that we will use to match. The argument is intended to work like the `*join` functions in `dplyr`. Note, this function will only use the first name and first value of the vector for matching.