CLEANUP: vars: remove unused struct
The commit "MEDIUM: vars: move the session variables to the session, not the stream" (ebcd4844e82a4198ea5d98fe491a46267da1d1ec")
moves the variables from the stream to the session. It forgot to remove
the stream definition of the "vars_sess".
diff --git a/include/types/stream.h b/include/types/stream.h
index 953f9d1..bba5f43 100644
--- a/include/types/stream.h
+++ b/include/types/stream.h
@@ -144,7 +144,6 @@
char **req_cap; /* array of captures from the request (may be NULL) */
char **res_cap; /* array of captures from the response (may be NULL) */
- struct vars vars_sess; /* list of variables for the session scope. */
struct vars vars_txn; /* list of variables for the txn scope. */
struct vars vars_reqres; /* list of variables for the request and resp scope. */