selftests: xsk: Remove color mode

Remove color mode since it does not add any value and having less code
means less maintenance which is a good thing.

Signed-off-by: Magnus Karlsson <[e-mail]>
Signed-off-by: Alexei Starovoitov <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

tools/testing/selftests/bpf/test_xsk.sh

···
 # ----------------
 # Must run with CAP_NET_ADMIN capability.
 #
-# Run (full color-coded output):
-#   sudo ./test_xsk.sh -c
+# Run:
+#   sudo ./test_xsk.sh
 #
 # If running from kselftests:
-#   sudo make colorconsole=1 run_tests
-#
-# Run (full output without color-coding):
-#   sudo ./test_xsk.sh
+#   sudo make run_tests
 #
 # Run with verbose output:
 #   sudo ./test_xsk.sh -v
···
 while getopts "cvD" flag
 do
 	case "${flag}" in
-		c) colorconsole=1;;
 		v) verbose=1;;
 		D) dump_pkts=1;;
 	esac

tools/testing/selftests/bpf/xsk_prereqs.sh

···
 ksft_xpass=3
 ksft_skip=4
 
-GREEN='\033[0;92m'
-YELLOW='\033[0;93m'
-RED='\033[0;31m'
-NC='\033[0m'
-STACK_LIM=131072
 SPECFILE=veth.spec
 XSKOBJ=xdpxceiver
 NUMPKTS=10000
···
 test_status()
 {
 	statusval=$1
-	if [ -n "${colorconsole+set}" ]; then
-		if [ $statusval -eq 2 ]; then
-			echo -e "${YELLOW}$2${NC}: [ ${RED}FAIL${NC} ]"
-		elif [ $statusval -eq 1 ]; then
-			echo -e "${YELLOW}$2${NC}: [ ${RED}SKIPPED${NC} ]"
-		elif [ $statusval -eq 0 ]; then
-			echo -e "${YELLOW}$2${NC}: [ ${GREEN}PASS${NC} ]"
-		fi
-	else
-		if [ $statusval -eq 2 ]; then
-			echo -e "$2: [ FAIL ]"
-		elif [ $statusval -eq 1 ]; then
-			echo -e "$2: [ SKIPPED ]"
-		elif [ $statusval -eq 0 ]; then
-			echo -e "$2: [ PASS ]"
-		fi
+	if [ $statusval -eq 2 ]; then
+		echo -e "$2: [ FAIL ]"
+	elif [ $statusval -eq 1 ]; then
+		echo -e "$2: [ SKIPPED ]"
+	elif [ $statusval -eq 0 ]; then
+		echo -e "$2: [ PASS ]"
 	fi
 }