Clean up unit import to top level

Author: MilesCranmer

src/DynamicQuantities.jl

@@ -29,12 +29,15 @@ import .Constants
 import .UnitsParse: uparse, @u_str
 
 using .Units: UNIT_SYMBOLS
-_units_import_expr = :(using .Units: m, g)
-append!(
-    _units_import_expr.args[1].args, 
-    map(s -> Expr(:(.), s), UNIT_SYMBOLS)
-)
-eval(_units_import_expr)
+
+# Copy all units to top level:
+let _units_import_expr = :(using .Units: m, g)
+    append!(
+        _units_import_expr.args[1].args,
+        map(s -> Expr(:(.), s), filter(s -> s ∉ (:m, :g), UNIT_SYMBOLS))
+    )
+    eval(_units_import_expr)
+end
 
 
 function __init__()