I been trying to remove the author on my blog posts in craft theme. I lost my will to try to figure it out myself. 
Hi there @Bee51 . I’m happy to help you out with this! What type of blogs do you write for your online store?
You can remove the author from within your theme editor. To get there go to Online store > Themes > Customize (next to your Craft theme in this case). Once you’re in your theme editor you will want to make sure you are editing your Default blog template and then click the Blog posts section to open the settings for that section. Here, you will find the setting Show author. If this is unchecked the author will be removed from your storefront.
Try that out and please let me know if you have any questions.
… I’m speechless and embarrassed and I cant stop laughing. I been at this for days. I followed your directions and it fixed in under a minute. LOL I feel so dumb.