remove the by word on Hueman theme

hi i’m not winning to remove the by word here is the elements

<p class=”post-byline”>by <span class=”vcard author”>
<span class=”fn”></span>
</span> ·
<time class=”published” datetime=”August 8, 2018″>August 8, 2018</time>
</p>

so i filled in this

The parent classes

e.g. entry-meta;author-meta

post-byline

post-byline
The regular expressions
e.g. by <a(.*?)/a>;<span class=”sep”> by </span>

<p class=”post-byline”>by <span class=”vcard author”>
<span class=”fn”></span>
</span