Remove WWW entries moved into port Makefiles
Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
Approved by: portmgr (tcberner)
New port: accessibility/gammy as alternative to accessibility/redshift
Gammy is a GUI tool for adjusting pixel brightness and temperature automatically
It can dim the screen if its content is too bright, or brighten it otherwise.
This can help your eyes adjust when switching between dark and light windows,
especially at night or in suboptimal lighting conditions.
Submitted by: Mina Galic
Differential Revision: https://reviews.freebsd.org/D27462