[iup] Remove copy/pasta

Author: behdad

Lib/fontTools/varLib/iup.py

@@ -15,16 +15,6 @@
 )
 from numbers import Integral, Real
 
-try:
-    import cython
-
-    COMPILED = cython.compiled
-except (AttributeError, ImportError):
-    # if cython not installed, use mock module with no-op decorators and types
-    from fontTools.misc import cython
-
-    COMPILED = False
-
 
 _Point = Tuple[Real, Real]
 _Delta = Tuple[Real, Real]