Remove Utility#makeStackTrace deprecated method

References #418

Author: acogoluegnes

src/main/java/com/rabbitmq/utility/Utility.java

@@ -15,8 +15,6 @@
 
 package com.rabbitmq.utility;
 
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedHashMap;
@@ -74,22 +72,6 @@ public static <T extends Throwable & SensibleClone<T>> T fixStackTrace(T throwab
       throwable.setStackTrace(newTrace);
       return throwable;
     }
-
-    /**
-     *
-     * @param throwable
-     * @return
-     * @deprecated use logging library instead for logging stack traces somewhere
-     */
-    public static String makeStackTrace(Throwable throwable) {
-        ByteArrayOutputStream baOutStream = new ByteArrayOutputStream();
-        PrintStream printStream = new PrintStream(baOutStream, false);
-        throwable.printStackTrace(printStream);
-        printStream.flush(); // since we don't automatically do so
-        String text = baOutStream.toString();
-        printStream.close(); // closes baOutStream
-        return text;
-    }
 
     /**
      * Synchronizes on the list and then returns a copy of the list that is safe to iterate over. Useful when wanting to do thread-safe iteration over