staging:rtl8192u: Remove write_cam() - Style

Remove the function write_cam() as it is unused.

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

@@ -1092,7 +1092,6 @@ 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);
-void write_cam(struct net_device *dev, u8 addr, u32 data);
 
 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);

drivers/staging/rtl8192u/r8192U_core.c

@@ -237,13 +237,6 @@ static void CamResetAllEntry(struct net_device *dev)
 	write_nic_dword(dev, RWCAM, ulcommand);
 }
 
-
-void write_cam(struct net_device *dev, u8 addr, u32 data)
-{
-	write_nic_dword(dev, WCAMI, data);
-	write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
-}
-
 u32 read_cam(struct net_device *dev, u8 addr)
 {
 	u32 data;