remove hamcrest entirely and use lambdas to assert conditions

Author: rtadepalli

flight/flight-sql/pom.xml

@@ -116,11 +116,6 @@ under the License.
       <version>1.13.1</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.hamcrest</groupId>
-      <artifactId>hamcrest</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>commons-cli</groupId>
       <artifactId>commons-cli</artifactId>