message: Remove extra frame border around counter viewer
diff: <property name="windowTitle">
  <string>Performance Counter Viewer</string>
  </property>
  - <property name="frameShape">
  - <enum>QFrame::StyledPanel</enum>
  - </property>
  - <property name="frameShadow">
  - <enum>QFrame::Raised</enum>
  - </property>
  <layout class="QVBoxLayout" name="verticalLayout">
  <property name="spacing">
  <number>0</number>
  