Remove API 23+ connectivity check

core/data/src/main/kotlin/com/google/samples/apps/nowinandroid/core/data/util/ConnectivityManagerNetworkMonitor.kt

@@ -23,8 +23,6 @@ import android.net.Network
 import android.net.NetworkCapabilities
 import android.net.NetworkRequest
 import android.net.NetworkRequest.Builder
-import android.os.Build.VERSION
-import android.os.Build.VERSION_CODES
 import androidx.core.content.getSystemService
 import androidx.tracing.trace
 import com.google.samples.apps.nowinandroid.core.network.Dispatcher
@@ -90,13 +88,8 @@ internal class ConnectivityManagerNetworkMonitor @Inject constructor(
         .flowOn(ioDispatcher)
         .conflate()
 
-    @Suppress("DEPRECATION")
-    private fun ConnectivityManager.isCurrentlyConnected() = when {
-        VERSION.SDK_INT >= VERSION_CODES.M ->
-            activeNetwork
-                ?.let(::getNetworkCapabilities)
-                ?.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
-
-        else -> activeNetworkInfo?.isConnected
-    } ?: false
+    private fun ConnectivityManager.isCurrentlyConnected(): Boolean {
+        val networkCapabilities = getNetworkCapabilities(activeNetwork) ?: return false
+        return networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+    }
 }