fix(jetbrains): address session status review

.changeset/witty-cabin.md

@@ -1,5 +1,5 @@
 ---
-"kilo-code": minor
+"@kilocode/kilo-jetbrains": patch
 ---
 
 Show running badges on active sessions in JetBrains recent and history lists.

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/app/KiloSessionService.kt

@@ -235,5 +235,3 @@ class KiloSessionService internal constructor(
     suspend fun pendingQuestions(dir: String): List<QuestionRequestDto> =
         call { pendingQuestions(dir) }
 }
-
-private infix fun <T> Set<T>.xor(other: Set<T>): Set<T> = (this - other) + (other - this)