cc3200: Remove duplicated checks for boot.py and main.py existency.

cc3200/mptask.c

@@ -105,7 +105,6 @@ void TASK_Micropython (void *pvParameters) {
     uint32_t sp = gc_helper_get_sp();
     gc_collect_init (sp);
     bool safeboot = false;
-    FRESULT res;
 
     mptask_pre_init();
 
@@ -184,11 +183,8 @@ soft_reset:
     MP_STATE_PORT(pyb_config_main) = MP_OBJ_NULL;
 
     if (!safeboot) {
-        // run boot.py, if it exists
-        const char *boot_py = "boot.py";
-        res = f_stat(boot_py, NULL);
-        if (res == FR_OK) {
-            int ret = pyexec_file(boot_py);
+        // run boot.py
+        int ret = pyexec_file("boot.py");
         if (ret & PYEXEC_FORCED_EXIT) {
             goto soft_reset_exit;
         }
@@ -197,7 +193,6 @@ soft_reset:
             mperror_signal_error();
         }
     }
-    }
 
     // now we initialise sub-systems that need configuration from boot.py,
     // or whose initialisation can be safely deferred until after running
@@ -214,8 +209,6 @@ soft_reset:
             } else {
                 main_py = mp_obj_str_get_str(MP_STATE_PORT(pyb_config_main));
             }
-            res = f_stat(main_py, NULL);
-            if (res == FR_OK) {
             int ret = pyexec_file(main_py);
             if (ret & PYEXEC_FORCED_EXIT) {
                 goto soft_reset_exit;
@@ -226,7 +219,6 @@ soft_reset:
             }
         }
     }
-    }
 
     // main script is finished, so now go into REPL mode.
     // the REPL mode can change, or it can request a soft reset.