autotest: removed sitl-debug varient

Tools/autotest/autotest.py

@@ -203,10 +203,7 @@ def binary_path(step, debug=False):
         # cope with builds that don't have a specific binary
         return None
 
-    if debug:
-        binary_basedir = "sitl-debug"
-    else:
-        binary_basedir = "sitl"
+    binary_basedir = "sitl"
 
     binary = util.reltopdir(os.path.join('build', binary_basedir, 'bin', binary_name))
     if not os.path.exists(binary):

Tools/autotest/sim_vehicle.py

@@ -998,10 +998,7 @@ else:
         do_build_parameters(cmd_opts.vehicle)
 
     if cmd_opts.build_system == "waf":
-        if cmd_opts.debug:
-            binary_basedir = "build/sitl-debug"
-        else:
-            binary_basedir = "build/sitl"
+        binary_basedir = "build/sitl"
         vehicle_binary = os.path.join(find_root_dir(),
                                       binary_basedir,
                                       frame_infos["waf_target"])