Remove redundant suppression

rider/src/main/kotlin/fi/jyu/intellij/comtest/rider/ComTestLoggerWindow.kt

@@ -13,7 +13,6 @@ import comtest.v2.processors.Logger
  * Logger window for ComTest.
  */
 internal object ComTestLoggerWindow {
-    @Suppress("UnstableApiUsage")
     private fun getToolWindow(proj: Project): Pair<ToolWindow, Boolean> {
         val manager = ToolWindowManager.getInstance(proj)
         var toolWindow = manager.getToolWindow("ComTest")