sbcenc: Remove duplicate check for num of channels
diff --git a/src/sbcenc.c b/src/sbcenc.c
index 2a4c240..6f8d794 100644
--- a/src/sbcenc.c
+++ b/src/sbcenc.c
@@ -142,7 +142,6 @@
 					blocks == 12 ? SBC_BLK_12 : SBC_BLK_16;
 	} else {
 		if (BE_INT(au_hdr.sample_rate) != 16000 ||
-				BE_INT(au_hdr.channels) != 1 ||
 				BE_INT(au_hdr.channels) != 1) {
 			fprintf(stderr, "mSBC requires 16 bits, 16kHz, mono "
 								"input\n");