staging: rtl8723bs: hal: fix condition with no effect

fix warning reorted by coccicheck
WARNING: possible condition with no effect (if == else)
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20200125134604.GA4247@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/HalBtc8723b2Ant.c

@@ -1610,8 +1610,6 @@ static void halbtc8723b2ant_TdmaDurationAdjust(
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(13);
 					else if (maxInterval == 2)
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(14);
-					else if (maxInterval == 3)
-						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(15);
 					else
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(15);
 				} else {
@@ -1619,8 +1617,6 @@ static void halbtc8723b2ant_TdmaDurationAdjust(
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(9);
 					else if (maxInterval == 2)
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(10);
-					else if (maxInterval == 3)
-						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(11);
 					else
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(11);
 				}
@@ -1630,8 +1626,6 @@ static void halbtc8723b2ant_TdmaDurationAdjust(
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(5);
 					else if (maxInterval == 2)
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(6);
-					else if (maxInterval == 3)
-						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(7);
 					else
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(7);
 				} else {
@@ -1639,8 +1633,6 @@ static void halbtc8723b2ant_TdmaDurationAdjust(
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(1);
 					else if (maxInterval == 2)
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(2);
-					else if (maxInterval == 3)
-						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(3);
 					else
 						HAL_BTC8723B2ANT_DMA_DURATION_ADJUST(3);
 				}