SLIDER-1146 Remove unnecessary test.failIfNoTests property

Use the existing failIfNoTests property to control whether the build
should fail if no unit tests are executed (via surefire)
diff --git a/pom.xml b/pom.xml
index d5c0239..52c7459 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,7 +123,6 @@
     <test.forkedProcessTimeoutInSeconds>18000</test.forkedProcessTimeoutInSeconds>
     <test.argLine>-Xmx1024m -XX:+HeapDumpOnOutOfMemoryError</test.argLine>
     <test.reuseForks>false</test.reuseForks>
-    <test.failIfNoTests>true</test.failIfNoTests>
     <test.funtests.failIfNoTests>false</test.funtests.failIfNoTests>
     <test.forkMode>always</test.forkMode>
     <!-- path environment variable -->
diff --git a/slider-core/pom.xml b/slider-core/pom.xml
index 2f7f75f..eda352f 100644
--- a/slider-core/pom.xml
+++ b/slider-core/pom.xml
@@ -114,7 +114,7 @@
           </forkedProcessTimeoutInSeconds>
           <threadCount>1</threadCount>
           <argLine>${test.argLine}</argLine>
-          <failIfNoTests>${test.failIfNoTests}</failIfNoTests>
+          <failIfNoTests>true</failIfNoTests>
           <redirectTestOutputToFile>${build.redirect.test.output.to.file}</redirectTestOutputToFile>
           <environmentVariables>
             <PATH>${test.env.path}</PATH>