[JENKINS-31153] More renames.

Originally-Committed-As: 199d8c9dc7ec8d02d6429dd652f666f14cbfc660

basic-steps/src/main/resources/index.jelly

@@ -25,5 +25,5 @@ THE SOFTWARE.
 
 <?jelly escape-by-default='true'?>
 <div>
-    Commonly used steps for workflows.
+    Commonly used steps for Pipelines.
 </div>

multibranch/src/main/resources/org/jenkinsci/plugins/workflow/multibranch/JobPropertyStep/help.html

@@ -1,4 +1,4 @@
 <div>
     Updates the properties of the job which runs this step.
-    Mainly useful from multibranch workflows, so that <code>Jenkinsfile</code> itself can encode what would otherwise be static job configuration.
+    Mainly useful from multibranch Pipelines, so that <code>Jenkinsfile</code> itself can encode what would otherwise be static job configuration.
 </div>

multibranch/src/main/resources/org/jenkinsci/plugins/workflow/multibranch/SCMVar/help.jelly

@@ -27,7 +27,7 @@ THE SOFTWARE.
 <j:jelly xmlns:j="jelly:core">
     Represents the SCM configuration in a multibranch project build.
     Use <code>checkout scm</code> to check out sources matching <code>Jenkinsfile</code>.
-    <br/>You may also use this in a standalone project configured with <i>Workflow script from SCM</i>,
+    <br/>You may also use this in a standalone project configured with <i>Pipeline script from SCM</i>,
     though in that case the checkout will just be of the latest revision in the branch,
-    possibly newer than the revision from which the Workflow script was loaded.
+    possibly newer than the revision from which the Pipeline script was loaded.
 </j:jelly>