fix handling of -optimized-tools

this option makes sense only when the default build is debug (regardless
of whether the release build is also enabled), as it overrides the
default.

Change-Id: I29f87430242a7d8239f13f0b33f6eebe098d9cf7
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

configure.json

@@ -558,6 +558,7 @@
         },
         "release_tools": {
             "label": "Compile tools in release mode",
+            "autoDetect": "!features.debug",
             "output": [ "privateFeature", "publicQtConfig" ]
         },
         "simulator_and_device": {
@@ -1073,7 +1074,7 @@ or compile needed modules into the library."
         },
         {
             "type": "note",
-            "condition": "features.release_tools && (!features.debug || features.debug_and_release)",
+            "condition": "features.release_tools && !features.debug",
             "message": "-optimized-tools is not useful in -release mode."
         },
         {