Update DefaultsConfigurable.kt

Author: wavy-cat

src/main/kotlin/cat/wavy/catactivity/setting/DefaultsConfigurable.kt

@@ -10,7 +10,7 @@ import com.intellij.ui.layout.enteredTextSatisfies
 import com.intellij.ui.SimpleListCellRenderer
 import javax.swing.JComponent
 
-class DefaultsConfigurable() : Configurable {
+class DefaultsConfigurable : Configurable {
     private val panel = panel {
         val state = service<CatActivitySettingAppState>().state
 
@@ -122,4 +122,4 @@ class DefaultsConfigurable() : Configurable {
     override fun reset() = panel.reset()
 
     override fun getDisplayName(): String = ConfigBundle.message("defaultsSettingsTitle")
-}
+}