fix: remove duplicated eql_v1.to_jsonb function

Author: tobyhede

src/encrypted/functions.sql

@@ -31,18 +31,6 @@ AS $$
 $$ LANGUAGE plpgsql;
 
 
--- DROP FUNCTION IF EXISTS eql_v1.to_jsonb(val eql_v1_encrypted);
-
-CREATE FUNCTION eql_v1.to_jsonb(val eql_v1_encrypted)
-  RETURNS jsonb
-  IMMUTABLE STRICT PARALLEL SAFE
-AS $$
-	BEGIN
-    RETURN val.data;
-  END;
-$$ LANGUAGE plpgsql;
-
-
 -- DROP FUNCTION IF EXISTS eql_v1._first_grouped_value(jsonb, jsonb);
 
 CREATE FUNCTION eql_v1._first_grouped_value(jsonb, jsonb)