remove brackets in Wenk_2023 trait scorings

Approximately 100 taxa were being mistakenly excluded because one of the trait values had brackets around the trait value to designate it as "less common". As a result the entire trait value was being excluded.

data/Wenk_2023/metadata.yml

@@ -23,7 +23,11 @@ dataset:
   data_is_long_format: no
   custom_R_code: '
     data %>% 
-      mutate(measurement_remarks = paste0(source, ": ", citation))
+      mutate(
+        measurement_remarks = paste0(source, ": ", citation),
+        life_history_scored = stringr::str_replace_all(life_history_scored, "\\(", "") ,
+        life_history_scored = stringr::str_replace_all(life_history_scored, "\\)", "") 
+      )
   '
   collection_date: unknown/2022
   taxon_name: taxon_name