staging:rtl8192u: Remove unused union AC_PARAM - Style

The union ACM_PARAM is never actually used in code so removed. This
is a coding style change which should have no impact on runtime code
execution.
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h

@@ -36,21 +36,6 @@ typedef	union _ECW {
 	} f;	// Field
 } ECW, *PECW;
 
-//
-// AC Parameters Record Format.
-// Ref: WMM spec 2.2.2: WME Parameter Element, p.12.
-//
-typedef	union _AC_PARAM {
-	u32	longData;
-	u8	charData[4];
-
-	struct {
-		union aci_aifsn	AciAifsn;
-		ECW		Ecw;
-		u16		TXOPLimit;
-	} f;	// Field
-} AC_PARAM, *PAC_PARAM;
-
 //
 // Direction Field Values.
 // Ref: WMM spec 2.2.11: WME TSPEC Element, p.18.