media: pt3: no need to check if null for dvb_module_release()

Such check is already there at the routine. So, no need to
repeat it outside.

Cc: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/pci/pt3/pt3.c

@@ -619,9 +619,7 @@ static void pt3_cleanup_adapter(struct pt3_board *pt3, int index)
 		adap->fe->callback = NULL;
 		if (adap->fe->frontend_priv)
 			dvb_unregister_frontend(adap->fe);
-		if (adap->i2c_tuner)
 		dvb_module_release(adap->i2c_tuner);
-		if (adap->i2c_demod)
 		dvb_module_release(adap->i2c_demod);
 	}
 	pt3_free_dmabuf(adap);