remove excess space in the form

There’s too much space after removing the redundant field.

src/components/helpform/helpform.jsx

@@ -26,7 +26,7 @@ const HelpForm = props => {
             <iframe
                 className="freshwidget-embedded-form"
                 frameBorder="0"
-                height="744px"
+                height="594px"
                 id="freshwidget-embedded-form"
                 scrolling="no"
                 src={`${prefix}&${title}&${username}&${formSubject}&${formDescription}`}