[DOCS] Remove text fields from classification dependent variables (#54849)

docs/reference/ml/df-analytics/apis/put-dfanalytics.asciidoc

@@ -128,7 +128,7 @@ include::{docdir}/ml/ml-shared.asciidoc[tag=class-assignment-objective]
 include::{docdir}/ml/ml-shared.asciidoc[tag=dependent-variable]
 +
 The data type of the field must be numeric (`integer`, `short`, `long`, `byte`), 
-categorical (`ip`, `keyword`, `text`), or boolean.
+categorical (`ip` or `keyword`), or boolean.
 
 `eta`::::
 (Optional, double)