Remove unused pipeline test dependencies

Author: MarkEWaite

pom.xml

@@ -138,12 +138,6 @@
       <version>3.1.9</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.jenkins-ci.plugins</groupId>
-      <artifactId>apache-httpcomponents-client-4-api</artifactId>
-      <scope>test</scope>
-    </dependency>
-
 
     <dependency><!-- we contribute AbstractBuildParameters for Git if it's available -->
       <groupId>org.jenkins-ci.plugins</groupId>
@@ -180,11 +174,6 @@
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.jenkins-ci.plugins.workflow</groupId>
-      <artifactId>workflow-cps</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins.workflow</groupId>
       <artifactId>workflow-job</artifactId>
@@ -222,11 +211,6 @@
       <artifactId>workflow-api</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.jenkins-ci.plugins.workflow</groupId>
-      <artifactId>workflow-support</artifactId>
-      <scope>test</scope>
-    </dependency>
     <!-- JCasC compatibility -->
     <dependency>
       <groupId>io.jenkins</groupId>