Remove references to previously removed .profile helper aliases (#3123)
Remove references to previously removed .profile helper aliases (#3123)

The `tabname` and `thlogsdelete` functions were removed in #1995.
edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder