CMakePM: Remove subsequent call to wordUnderCursor

Just use the value above it.

Change-Id: I16e1e3217de6e03d7bf9f16e6966c9854bd68930
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/cmakeprojectmanager/cmakeeditor.cpp

@@ -90,10 +90,7 @@ void CMakeEditor::contextHelp(const HelpCallback &callback) const
         return;
     }
 
-    callback({{id, Utils::Text::wordUnderCursor(editorWidget()->textCursor())},
+    callback({{id, word}, {}, {}, HelpItem::Unknown});
-              {},
-              {},
-              HelpItem::Unknown});
 }
 
 //