Removed left-over user exception bits.

app/user/user_exceptions.h

@@ -1,6 +0,0 @@
-#include "sections.h"
-#include "rom.h"
-#include <xtensa/corebits.h>
-
-void load_non_32_wide_handler (struct exception_frame *ef, uint32_t cause) TEXT_SECTION_ATTR;
-void __real__xtos_set_exception_handler (uint32_t cause, exception_handler_fn fn);

app/user/user_main.c

@@ -15,12 +15,12 @@
 #include "flash_fs.h"
 #include "flash_api.h"
 #include "user_interface.h"
-#include "user_exceptions.h"
 #include "user_modules.h"
 
 #include "ets_sys.h"
 #include "driver/uart.h"
 #include "task/task.h"
+#include "sections.h"
 #include "mem.h"
 
 #ifdef LUA_USE_MODULES_RTCTIME