arm64: zynqmp: Remove CMD_UNZIP for mini configuration

CMD_UNZIP is already disabled via Kconfig.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

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