DO NOT use an Internet browser to locate files and folders on your Mac, for the purposes mentioned (locating and deleting a file or folder).
See:
You can type Command + Shift + g while in any Finder window or select “Go to Folder…” from the “Go” menu & type in or paste in a filepath. Press the “Go” button & you are there.
In /Users/username/ . . . you would substitute your Mac user account name.