hasl/hasl

Do some Meson cleanups done elsewhere

6 months ago, Elliott Sales de Andrade
ca6442534909
Do some Meson cleanups done elsewhere

- Remove unused variables
- Use `libraries` for `pkgconfig.generate`

Testing Done:
Compiled

Reviewed at https://reviews.imfreedom.org/r/2806/
option(
'doc',
type : 'boolean', value : true, yield : true,
description : 'build documentation with gi-docgen'
)
option(
'introspection',
type : 'boolean', value : true, yield : true,
description : 'Whether or not to build a GObject Introspection type library'
)
option(
'nls',
type : 'boolean', value : true, yield : true,
description : 'Install translation files'
)