Remove unused anyOf import in PackagingTestCase

An import was left behind after resolving a merge conflict. This commit
removes that leftover import statement.

Author: jasontedor

qa/os/src/test/java/org/elasticsearch/packaging/test/PackagingTestCase.java

@@ -53,7 +53,6 @@
 import static org.elasticsearch.packaging.util.Docker.ensureImageIsLoaded;
 import static org.elasticsearch.packaging.util.Docker.removeContainer;
 import static org.elasticsearch.packaging.util.FileExistenceMatchers.fileExists;
-import static org.hamcrest.CoreMatchers.anyOf;
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.junit.Assume.assumeFalse;