Kit: Allow renaming autodetected kits

Also allow changes to the icon while at it.

Task-number: QTCREATORBUG-9787
Change-Id: Id2abbd11f12b7e0f577655932b5b2aac4d3bba7c
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/projectexplorer/kitmanagerconfigwidget.cpp

@@ -206,8 +206,6 @@ void KitManagerConfigWidget::makeStickySubWidgetsReadOnly()
         if (w->isSticky())
             w->makeReadOnly();
     }
-    m_iconButton->setEnabled(false);
-    m_nameEdit->setEnabled(false);
 }
 
 Kit *KitManagerConfigWidget::workingCopy() const