How do I remove the black calendar symbol and red date

Hello- When I chose Catch Vogue I didn't realize every time I posted that a calendar symbol and date would appear at the top of the page. You can see an example here: https://writenowrachel.com/contact-write-now-rachel/ How do I remove the black calendar symbol and red date from my current pages and for my future blog posts? Thank you so much in advance for any guidance you are able to give. Sincerely, Rachel Steinman