gtk+3/gsettings-desktop-schemas: disable schema compile

Compiling the schemes creates conflicting files.
MacPorts disables these as well.

Closes #22991.
play/sox conflict
lnav 0.6.2

Closes #24207.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
bottle: always use HOMEBREW_REPOSITORY.