[BUG] Luxor automatically in scope

**Describe the bug**

`luxor_overrides.jl` makes Luxor available in scope where `using Javis` is called

**To Reproduce**
```julia
julia> using Javis
julai> Luxor
Luxor
```
**Expected Behavior**
```julia
julia> using Javis
julia> Luxor
ERROR: UndefVarError: Luxor not defined
```