staging: rtl8723au: Remove obsolete local defines matching WLAN_EID_*

#define _FIXED_IE_LENGTH_		_BEACON_IE_OFFSET_

#define _SSID_IE_			0

#define _SUPPORTEDRATES_IE_		1

#define _DSSET_IE_			3

#define _TIM_IE_			5

#define _IBSS_PARA_IE_			6

#define _COUNTRY_IE_			7

#define _CHLGETXT_IE_			16

#define _SUPPORTED_CH_IE_		36

#define _CH_SWTICH_ANNOUNCE_	37	/* Secondary Channel Offset */

#define _RSN_IE_2_			48

#define _ERPINFO_IE_			42

#define _EXT_SUPPORTEDRATES_IE_		50

#define _HT_CAPABILITY_IE_		45

#define _FTIE_				55

#define _TIMEOUT_ITVL_IE_		56

#define _SRC_IE_			59

#define _HT_EXTRA_INFO_IE_		61

#define _HT_ADD_INFO_IE_		61 /* _HT_EXTRA_INFO_IE_ */

#define	EID_BSSCoexistence		72 /*  20/40 BSS Coexistence */

#define	EID_BSSIntolerantChlReport	73

#define _RIC_Descriptor_IE_		75

#define _LINK_ID_IE_		101

#define _CH_SWITCH_TIMING_	104

#define _PTI_BUFFER_STATUS_	106

#define _EXT_CAP_IE_		127

#define	_RESERVED47_		47

#define	EID_BSSIntolerantChlReport	73

/* ---------------------------------------------------------------------------

					Below is the fixed elements...