arm64: zynqmp: Remove CMD_UNZIP for mini configuration

CMD_UNZIP is already disabled via Kconfig.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/configs/xilinx_zynqmp_mini.h b/include/configs/xilinx_zynqmp_mini.h
index 947d308..96ff6c9 100644
--- a/include/configs/xilinx_zynqmp_mini.h
+++ b/include/configs/xilinx_zynqmp_mini.h
@@ -32,7 +32,6 @@
 /* BOOTP options */
 #undef CONFIG_BOOTP_BOOTFILESIZE
 #undef CONFIG_BOOTP_MAY_FAIL
-#undef CONFIG_CMD_UNZIP
 
 #undef CONFIG_NR_DRAM_BANKS