cleanup: remove some unused imports

Change-Id: I549b934b86753acc362364c8986bfe6457affd12

org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/RepoTest.java

@@ -42,14 +42,10 @@
  */
 package org.eclipse.jgit.pgm;
 
-import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileReader;
-
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.junit.JGitTestUtil;
 import org.eclipse.jgit.lib.CLIRepositoryTestCase;