kernel/locks: Don't panic on interrupts disabled in unlock().

We don't reschedule or block in here, so checking for interrupts
is needlessly strict. Sorry for the noise, forgot to remove this
before the previous commit.

src/system/kernel/locks/lock.cpp

@@ -437,13 +437,6 @@ _rw_lock_read_lock_with_timeout(rw_lock* lock, uint32 timeoutFlags,
 void
 _rw_lock_read_unlock(rw_lock* lock)
 {
-#if KDEBUG
-	if (!gKernelStartup && !are_interrupts_enabled()) {
-		panic("_rw_lock_read_unlock(): called with interrupts disabled for lock %p",
-			lock);
-	}
-#endif
-
 	InterruptsSpinLocker locker(lock->lock);
 
 	// If we're still holding the write lock or if there are other readers,
@@ -517,13 +510,6 @@ rw_lock_write_lock(rw_lock* lock)
 void
 _rw_lock_write_unlock(rw_lock* lock)
 {
-#if KDEBUG
-	if (!gKernelStartup && !are_interrupts_enabled()) {
-		panic("_rw_lock_write_unlock(): called with interrupts disabled for lock %p",
-			lock);
-	}
-#endif
-
 	InterruptsSpinLocker locker(lock->lock);
 
 	if (thread_get_current_thread_id() != lock->holder) {