Delete useless div methods

Author: MilesCranmer

src/math.jl

@@ -50,15 +50,6 @@ for (type, base_type, _) in ABSTRACT_QUANTITY_TYPES
             new_quantity(typeof(r), inv(ustrip(r)), l / dimension(r))
         end
     end
-    # Comparison with exact value type, in case we had to artificially limit it to Number
-    !(base_type <: Number) && @eval begin
-        function Base.div(x::$type{T}, y::T, r::RoundingMode=RoundToZero) where {T<:$base_type}
-            new_quantity(typeof(x), div(ustrip(x), y, r), dimension(x))
-        end
-        function Base.div(x::T, y::$type{T}, r::RoundingMode=RoundToZero) where {T<:$base_type}
-            new_quantity(typeof(y), div(x, ustrip(y), r), inv(dimension(y)))
-        end
-    end
 end
 
 Base.:*(l::AbstractDimensions, r::AbstractDimensions) = map_dimensions(+, l, r)
@@ -216,7 +207,7 @@ for (type, base_type, _) in ABSTRACT_QUANTITY_TYPES, f in (:copysign, :flipsign,
         end
     end
 end
-# Define :rem
+# Define :rem (unfortunately we have to create a method for each rounding mode to avoid ambiguity)
 for (type, true_base_type, _) in ABSTRACT_QUANTITY_TYPES, rounding_mode in (RoundingMode, RoundingMode{:ToZero}, RoundingMode{:Down}, RoundingMode{:Up}, RoundingMode{:FromZero})
 
     # We don't want to go more generic than `Number` for mod and rem