Remove all.sh --list-components detection

all.sh has supported --list-components since 2.17.0 and 2.16.10. We
don't need a fancy message for antique branches anymore: the exception
from the all.sh call returning a nonzero status will do.

Author: gilles-peskine-arm

vars/common.groovy

@@ -158,30 +158,20 @@ def get_branch_information() {
 
         for (platform in linux_platforms) {
             get_docker_image(platform)
-            def all_sh_help = sh(
+            available_all_sh_components[platform] = sh(
                 script: docker_script(
-                    platform, "./tests/scripts/all.sh", "--help"
+                    platform, "./tests/scripts/all.sh", "--list-components"
                 ),
                 returnStdout: true
-            )
-            if (all_sh_help.contains('list-components')) {
-                available_all_sh_components[platform] = sh(
+            ).trim().split('\n')
+            if (all_all_sh_components == []) {
+                all_all_sh_components = sh(
                     script: docker_script(
-                        platform, "./tests/scripts/all.sh", "--list-components"
+                        platform, "./tests/scripts/all.sh",
+                        "--list-all-components"
                     ),
                     returnStdout: true
                 ).trim().split('\n')
-                if (all_all_sh_components == []) {
-                    all_all_sh_components = sh(
-                        script: docker_script(
-                            platform, "./tests/scripts/all.sh",
-                            "--list-all-components"
-                        ),
-                        returnStdout: true
-                    ).trim().split('\n')
-                }
-            } else {
-                error('Pre Test Checks failed: Base branch out of date. Please rebase')
             }
         }
     }