treewide: Update unedited meta tags

Merged Sergio Fernández requested to merge master-aaaa into master

Hey @abahreini !! I think you forgot to edit some meta tags. I'm guessing you got the template from my sergio/ownsite code and just didn't realise there were some tags, especially the "author" one. This MR edits them for you.

Also, <meta http-equiv="imagetoolbar" content="no" /> is not needed. Your img code already achieves that.

Have a lovely weekend.

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