staging:rtl8192u: Remove read_cam() - Style

Remove the function read_cam(), as it is unused in code.

Simple style change which should not impact runtime code execution.
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r8192U.h

@@ -1091,8 +1091,6 @@ bool init_firmware(struct net_device *dev);
 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb);
 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb);
 
-u32 read_cam(struct net_device *dev, u8 addr);
-
 int read_nic_byte(struct net_device *dev, int x, u8 *data);
 int read_nic_byte_E(struct net_device *dev, int x, u8 *data);
 int read_nic_dword(struct net_device *dev, int x, u32 *data);

drivers/staging/rtl8192u/r8192U_core.c

@@ -237,15 +237,6 @@ static void CamResetAllEntry(struct net_device *dev)
 	write_nic_dword(dev, RWCAM, ulcommand);
 }
 
-u32 read_cam(struct net_device *dev, u8 addr)
-{
-	u32 data;
-
-	write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
-	read_nic_dword(dev, 0xa8, &data);
-	return data;
-}
-
 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 {
 	int status;