Subtract redundant smoothing constants in mergeDuplicateCollocates

Change-Id: I1b042974735c4b2e9a664e21d1eb87cf0794d5c4
diff --git a/NAMESPACE b/NAMESPACE
index 6526101..edf177e 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -101,7 +101,7 @@
 importFrom(ggplot2,theme)
 importFrom(httr2,oauth_client)
 importFrom(httr2,oauth_flow_auth_code)
-importFrom(httr2,url_build)
+importFrom(httr2,url_modify)
 importFrom(httr2,url_parse)
 importFrom(jsonlite,fromJSON)
 importFrom(lubridate,year)