GC attributes left over by r20834.

[r20838]

ir/be/bessaconstr.c

@@ -360,7 +360,6 @@ void be_ssa_construction_fix_users_array(be_ssa_construction_env_t *env,
 		env->iterated_domfront_calculated = 1;
 	}
 
-	stat_ev_int("bessaconstr_domzone", env->max_dom - env->min_dom);
 	stat_ev_tim_push();
 	for(i = 0; i < nodes_len; ++i) {
 		ir_node *value = nodes[i];

ir/be/bessaconstr.h

@@ -65,8 +65,6 @@ typedef struct be_ssa_construction_env_t {
 	const ir_nodeset_t        *ignore_uses;
 	ir_node                   **new_phis;
 	int                       iterated_domfront_calculated;
-	int                       min_dom;
-	int                       max_dom;
 } be_ssa_construction_env_t;
 
 /**