Removed hamcrest reference from ConcurrentTestCase since unit testing…

… frameworks will throw ClassNotFoundException when reflecting the methods on ConcurrentTestCase if Hamcrest is not on the classpath. Instead, Hamcrest users should use the Waiter class.

README.md

@@ -105,7 +105,7 @@ class SomeTest extends ConcurrentTestCase {
 
 #### Assertions
 
-ConcurrentUnit supports the standard assertions along with [Hamcrest Matcher](http://hamcrest.org/JavaHamcrest/javadoc/) assertions:
+ConcurrentUnit's `Waiter` supports the standard assertions along with [Hamcrest Matcher](http://hamcrest.org/JavaHamcrest/javadoc/) assertions:
 
 ```java
 waiter.assertEquals(expected, result);

src/main/java/net/jodah/concurrentunit/ConcurrentTestCase.java

@@ -61,13 +61,6 @@ public void threadAssertTrue(boolean b) {
     waiter.assertTrue(b);
   }
 
-  /**
-   * @see Waiter#assertThat(Object, org.hamcrest.Matcher)
-   */
-  public <T> void threadAssertThat(T actual, org.hamcrest.Matcher<? super T> matcher) {
-    waiter.assertThat(actual, matcher);
-  }
-
   /**
    * @see Waiter#fail()
    */