patch 8.2.3830: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move more error messages to errors.h.
diff --git a/src/dict.c b/src/dict.c
index 98be263..ea43d0b 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -1349,7 +1349,7 @@
     dictitem_T	*di;
 
     if (argvars[2].v_type != VAR_UNKNOWN)
-	semsg(_(e_toomanyarg), "remove()");
+	semsg(_(e_too_many_arguments_for_function_str), "remove()");
     else if ((d = argvars[0].vval.v_dict) != NULL
 	    && !value_check_lock(d->dv_lock, arg_errmsg, TRUE))
     {