Remove field category terms (#298)

bwiernik · bdarcus · commit feb9d1fea07a · 2020-07-26T10:30:58.000-04:00
Closes #100
diff --git a/schemas/styles/csl-terms.rnc b/schemas/styles/csl-terms.rnc
@@ -81,9 +81,6 @@ div {
     | "season-02"
     | "season-03"
     | "season-04"
-    | 
-      ## (legacy; remove in CSL 1.1)
-      category.field
   
   ## Terms to which a gender may be assigned
   terms.gender-assignable =
