Remove static inline v2 function

Updated tensorflow to use default entrypoint and so this static inline
function is no longer necessary.

Change-Id: I2cd4e9cc87a4e8cffd2f67e27149782ea9519c05
diff --git a/include/ethosu_driver.h b/include/ethosu_driver.h
index 6f8f201..e40daa0 100644
--- a/include/ethosu_driver.h
+++ b/include/ethosu_driver.h
@@ -186,21 +186,6 @@
                                                     enum ethosu_clock_q_request clock_request,
                                                     enum ethosu_power_q_request power_request);
 
-/**
- * Static inline for backwards-compatibility
- */
-static inline int ethosu_invoke_v2(const void *custom_data_ptr,
-                                   const int custom_data_size,
-                                   const uint64_t *base_addr,
-                                   const size_t *base_addr_size,
-                                   const int num_base_addr)
-{
-    struct ethosu_driver *drv = ethosu_reserve_driver();
-    int result = ethosu_invoke(drv, custom_data_ptr, custom_data_size, base_addr, base_addr_size, num_base_addr);
-    ethosu_release_driver(drv);
-    return result;
-}
-
 #ifdef __cplusplus
 }
 #endif