Remove section header from folder properties in jelly. (jenkinsci#218)

Author: car-roll

src/main/resources/org/jenkinsci/plugins/docker/workflow/declarative/FolderConfig/config.groovy

@@ -28,9 +28,7 @@ package org.jenkinsci.plugins.docker.workflow.declarative.FolderConfig
 
 def f = namespace(lib.FormTagLib)
 
-f.section(title:_("Declarative Pipeline (Docker)")) {
-    f.entry(field: "dockerLabel", title: _("Docker Label")) {
-        f.textbox()
-    }
-    f.property(field: "registry")
-}
+f.entry(field: "dockerLabel", title: _("Docker Label")) {
+    f.textbox()
+}
+f.property(field: "registry")

src/main/resources/org/jenkinsci/plugins/docker/workflow/declarative/GlobalConfig/config.groovy

@@ -33,4 +33,4 @@ f.section(title:_("Declarative Pipeline (Docker)")) {
         f.textbox()
     }
     f.property(field: "registry")
-}
+}