How to hide category name?

Where did you get the theme? Have you asked them? This forum provides theme support only for ones listed here at WPORG.

That said, the easiest way is to hide it with CSS:

.your_style {
display:none;
}

To discover what CSS is output by your theme, use a web inspection tool such as Firebug: https://getfirebug.com/ , Chrome Inspect Element: https://developers.google.com/chrome-developer-tools/ or Internet Explorer 9+ F12 Dev. Tools: https://msdn.microsoft.com/en-us/library/dd565627(v=vs.85).aspx#csstool

There are others.

When editing CSS, use a Child Theme
https://codex.www.ads-software.com/Child_Themes
Custom CSS Plugin, or Theme provided custom CSS option.
Edits to parent themes are lost on theme update.

Learn CSS: https://www.w3schools.com/css/

To clarify @swansonsphotos’ answer:

Go to https://legacypharmacy.host22.com/wp-admin/themes.php?page=editcss

You can edit the css of your site’s theme from here. Child themes are safer. But for a small fix like this, I would just do it this way.

Make sure you’re editing the file styles.css and at the bottom add:

#page-heading { display: none; }

and save the stylesheet.

Be careful with this file as it controls how your site will look.

Thank you both so much for your answer! I finally got it.
I didn’t know about that issue with theme updating, I’ve changed the CSS a lot on this theme to make it personal. I know some stuff about css, but just amateur level stuff. If I duplicate the theme folder with a different name will that resolve that issue? Or can I simply not update the theme at all and not have to worry about it?

Again, thank you!

Pleasure!

You’ll want to look into Child Themes. Basically, if the developer of your theme comes out with an update, and you update, all your changes will be lost. Child themes were developed so that you can have your fully developed theme, and make changes to it too.

For now, don’t worry about losing your changes, just don’t update the theme if you notice that there is an update.