staging: rtl8192e: Remove set but not used variable 'VenderID'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/staging/rtl8192e/rtl8192e/rtl_pci.c: In function 'rtl92e_check_adapter':
drivers/staging/rtl8192e/rtl8192e/rtl_pci.c:36:6: warning:
 variable 'VenderID' set but not used [-Wunused-but-set-variable]
  u16 VenderID;
      ^

It's never used and can be removed.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_pci.c

@@ -33,12 +33,10 @@ static void _rtl92e_parse_pci_configuration(struct pci_dev *pdev,
 bool rtl92e_check_adapter(struct pci_dev *pdev, struct net_device *dev)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
-	u16 VenderID;
 	u16 DeviceID;
 	u8  RevisionID;
 	u16 IrqLine;
 
-	VenderID = pdev->vendor;
 	DeviceID = pdev->device;
 	RevisionID = pdev->revision;
 	pci_read_config_word(pdev, 0x3C, &IrqLine);