Remove useless Order annotation

Since `ArchUnitTests` is executed by the ArchUnit engine, declaring an
order did not have any effect.

(cherry picked from commit d7ab63e)

Author: marcphilipp

platform-tooling-support-tests/src/test/java/platform/tooling/support/tests/ArchUnitTests.java

@@ -51,10 +51,8 @@
 import com.tngtech.archunit.library.GeneralCodingRules;
 
 import org.apiguardian.api.API;
-import org.junit.jupiter.api.Order;
 import org.junit.jupiter.api.extension.ExtendWith;
 
-@Order(Integer.MAX_VALUE)
 @AnalyzeClasses(locations = ArchUnitTests.AllJars.class)
 class ArchUnitTests {