Disable post date or post author from homepage widget post.
Go to Appearance -> Customize -> Additional CSS -> add css here
Or you can use Code Cnippet.
CSS – Remove author name only:
.stories_item .text_meta i.bi-patch-check-fill,
.text_meta a,
.text_meta i.c_dot {display:none;}CSS – Remove date only:
.text_meta span.lss,
.text_meta i.c_dot {display:none;}CSS – Remove athor & date only:
.text_meta {display:none;}