Refactor: Remove unused WorkManager dependency (#77)

gradle/libs.versions.toml

@@ -22,7 +22,6 @@ gson = "2.11.0"
 securityCrypto = "1.1.0-alpha06"
 mockk = "1.13.12"
 room = "2.7.1"
-workManager = "2.10.0"
 
 [libraries]
 androidx-core-ktx = { module = "androidx.core:core-ktx", version.ref = "androidxCore" }
@@ -69,8 +68,6 @@ androidx-room-runtime = { module = "androidx.room:room-runtime", version.ref = "
 androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
 androidx-room-ktx = { module = "androidx.room:room-ktx", version.ref = "room" }
 
-# Background notifications (WorkManager)
-androidx-work-runtime = { module = "androidx.work:work-runtime-ktx", version.ref = "workManager" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "androidGradlePlugin" }