staging: vt6655: remove redundant assignment to variable ret

The variable ret is being initialized with a value that
is never read and is being re-assigned later on. The
assignment is redundant and hence can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200114171145.375356-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/rf.c

@@ -758,7 +758,7 @@ bool RFvWriteWakeProgSyn(struct vnt_private *priv, unsigned char byRFType,
  */
 bool RFbSetPower(struct vnt_private *priv, unsigned int rate, u16 uCH)
 {
-	bool ret = true;
+	bool ret;
 	unsigned char byPwr = 0;
 	unsigned char byDec = 0;