zynqmp: Remove unnnecessary board config file for dc4

Remove unnecessary board specific config file for DC4
board.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Acked-by: Jagan Teki <jteki@openedev.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig

@@ -1,5 +1,4 @@
 CONFIG_ARM=y
-CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_zc1751_xm018_dc4"
 CONFIG_ARCH_ZYNQMP=y
 CONFIG_SYS_MALLOC_F_LEN=0x8000
 CONFIG_IDENT_STRING=" Xilinx ZynqMP ZC1751 xm018 dc4"

include/configs/xilinx_zynqmp_zc1751_xm018_dc4.h

@@ -1,15 +0,0 @@
-/*
- * Configuration for Xilinx ZynqMP zc1751 XM018 DC4
- *
- * (C) Copyright 2015 Xilinx, Inc.
- * Michal Simek <michal.simek@xilinx.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef __CONFIG_ZYNQMP_ZC1751_XM018_DC4_H
-#define __CONFIG_ZYNQMP_ZC1751_XM018_DC4_H
-
-#include <configs/xilinx_zynqmp.h>
-
-#endif /* __CONFIG_ZYNQMP_ZC1751_XM018_DC4_H */