threads: remove leftover class 'prototype'

diff --git a/threads.h b/threads.h
index 7427eeb59747322195a05ad418adae4a788f2645..b973224d7a3d1e436de2d1b7dc20673b813916b6 100644 (file)
--- a/threads.h
+++ b/threads.h
@@ -12,8 +12,6 @@ typedef enum thread_state {
        THREAD_COMPLETED
 } thread_state;
 
-class ModelAction;
-
 class Thread {
 public:
        Thread(thrd_t *t, void (*func)(), void *a);