Update pkg-descr and Makefile in my ports to use https where possible.
Remove obsolete mirrors.

• devel/arduino
• devel/arduino-irremote
• net/hostapd
• security/broccoli
• sysutils/lbl-cf
• sysutils/lbl-hf
• www/mini_httpd

Reviewed by: ler (mentor), matthew (mentor)
Approved by: ler (mentor), matthew (mentor)
Differential Revision: https://reviews.freebsd.org/D12748