gnu: woff2: Update package definition.

gnu: woff2: Update package definition.

* gnu/packages/fontutils.scm (woff2): Update package definition.
[outputs]: New output "bin".
[arguments]<#:configure-flags>[-DCMAKE_INSTALL_BINDIR]: New flag.
[-DCMAKE_INSTALL_INCLUDEDIR]: New flag.
[-DCMAKE_INSTALL_LIBDIR]: New flag.
[-DBUILD_SHARED_LIBS]: Remove flag.
<#:phases>['patch-installation]: New phase.
[synopsis]: Modify.
[description]: Modify.
[home-page]: Modify.
[license]: Change to expat.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>