No, you don’t have to do this manually. There is a way to change the output style to ignore the usual requirement of disambiguation of same surname but different authors. (and I attach the further modified style below.)
This knowledge base article discusses this in more detail. https://support.clarivate.com/Endnote/s/article/EndNote-Removing-author-name-initials-from-APA-Style?language=en_US
style editing manuals: https://support.clarivate.com/Endnote/s/article/EndNote-Windows-and-Mac-Style-Editing-Guide?language=en_US
JMS-wiley 11-15-2017 nodisambiguation.ens (28.4 KB)