ProjectExplorer et al: Code cosmetics

Apply static 'pattern' for ToolChainManager, de-noise using code.

Change-Id: I196dc6f39dc2c61b1783aecad3faa0b23849e00a
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/debugger/debuggerkitconfigwidget.cpp

@@ -246,7 +246,6 @@ QVariant DebuggerKitInformation::defaultValue(Kit *k) const
 
 void DebuggerKitInformation::setup(Kit *k)
 {
-    QTC_ASSERT(ToolChainManager::instance()->isLoaded(), return);
     k->setValue(DEBUGGER_INFORMATION, defaultValue(k));
 }