Remove AxisTensor patch

In light of
CliMA/ClimaCore.jl@d85aa56

src/solver/types.jl

@@ -470,11 +470,3 @@ function AtmosConfig(;
     return AtmosConfig{FT, TD, PA, C}(toml_dict, config, comms_ctx)
 end
 Base.eltype(::AtmosConfig{FT}) where {FT} = FT
-
-# In order to specify C2F operator boundary conditions with 0 instead of FT(0),
-# we need to tell ClimaCore how to convert AxisTensor components from Int to FT.
-# TODO: Move this monkey patch to ClimaCore in the next release.
-using ClimaCore.Geometry: AxisTensor, components
-AxisTensor{T′, N, A, S′}(a::AxisTensor{T, N, A, S}) where {T, N, A, S, T′, S′} =
-    AxisTensor(axes(a), S′(components(a)))
-Base.convert(::Type{AT}, a::AxisTensor) where {AT <: AxisTensor} = AT(a)