Fix macros to not reference ALMaSS submodule

This change must have slipped in previously when I first introduced
the ALMaSS submodule.

src/nature/macros.jl

@@ -342,7 +342,7 @@ This is a utility wrapper that can only be used nested within [`@phase`](@ref)
 or [`@habitat`](@ref).
 """
 macro cropname()
-    :(ALMaSS.cropname($(esc(:pos)), $(esc(:model))))
+    :(cropname($(esc(:pos)), $(esc(:model))))
 end
 
 """
@@ -353,7 +353,7 @@ This is a utility wrapper that can only be used nested within [`@phase`](@ref)
 or [`@habitat`](@ref).
 """
 macro cropheight()
-    :(ALMaSS.cropheight($(esc(:pos)), $(esc(:model))))
+    :(cropheight($(esc(:pos)), $(esc(:model))))
 end
 
 """