Sign -> Digitally Sign

And remove from toolbar, it's not that important it should be there

Also increase version

part/pageview.cpp

@@ -717,8 +717,8 @@ void PageView::setupActions(KActionCollection *ac)
     d->aMouseModeMenu->setText(i18nc("@action", "Selection Tools"));
     ac->addAction(QStringLiteral("mouse_selecttools"), d->aMouseModeMenu);
 
-    d->aSignature = new QAction(QIcon::fromTheme(QStringLiteral("application-pkcs7-signature")), i18n("&Sign..."), this);
-    ac->addAction(QStringLiteral("mouse_sign"), d->aSignature);
+    d->aSignature = new QAction(QIcon::fromTheme(QStringLiteral("application-pkcs7-signature")), i18n("Digitally &Sign..."), this);
+    ac->addAction(QStringLiteral("add_digital_signature"), d->aSignature);
     connect(d->aSignature, &QAction::triggered, this, &PageView::slotSignature);
 
     // speak actions

part/part.rc

@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <!DOCTYPE gui SYSTEM "kpartgui.dtd">
-<gui name="okular_part" version="47">
+<gui name="okular_part" version="48">
 <MenuBar>
   <Menu name="file"><text>&amp;File</text>
     <Action name="get_new_stuff" group="file_open"/>
@@ -80,7 +80,7 @@
     <Separator/>
     <Action name="mouse_toggle_annotate"/>
     <Separator/>
-    <Action name="mouse_sign"/>
+    <Action name="add_digital_signature"/>
     <Separator/>
     <Action name="speak_document"/>
     <Action name="speak_current_page"/>
@@ -109,8 +109,6 @@
   <Action name="view_zoom_out"/>
   <Action name="zoom_to" />
   <Action name="view_zoom_in"/>
-  <Separator/>
-  <Action name="mouse_sign"/>
 </ToolBar>
 <ToolBar name="annotationToolBar" iconText="icononly" newline="true" hidden="true"><text>Annotation Toolbar</text>
   <Action name="annotation_highlighter"/>