cmd: fpga: Do not include net.h

There is no reason to include net.h header in fpga code.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@ti.com>

common/cmd_fpga.c

@@ -27,9 +27,6 @@
  */
 #include <common.h>
 #include <command.h>
-#if defined(CONFIG_CMD_NET)
-#include <net.h>
-#endif
 #include <fpga.h>
 #include <malloc.h>