net/remmina and net/remmina-plugins: Update to 1.2.0-rcgit.17

• Remove SURVEY option, as it was removed upstream
• Remove net/remmina-plugin-rdp patch to work with recent versions of FreeRDP, as it is incorporated in this release of Remmina

Changes this release:

https://github.com/FreeRDP/Remmina/releases/tag/v1.2.0-rcgit.17