Merge "Remove the check for epskc flag value at runtime." into main

thread/framework/java/android/net/thread/ThreadNetworkController.java

@@ -423,11 +423,6 @@ public final class ThreadNetworkController {
                 @EphemeralKeyState int ephemeralKeyState,
                 String ephemeralKey,
                 long lifetimeMillis) {
-            if (!Flags.epskcEnabled()) {
-                throw new IllegalStateException(
-                        "This should not be called when Ephemeral key API is disabled");
-            }
-
             final long identity = Binder.clearCallingIdentity();
             final Instant expiry =
                     ephemeralKeyState == EPHEMERAL_KEY_DISABLED