remove old pxd

Author: GiacomoPope

setup.py

@@ -66,7 +66,6 @@
 ext_files = [
     ("flint._flint", ["src/flint/pyflint.pyx"]), # Main Module
     # Submodules
-    # ("flint.global_context", ["src/flint/_global_context.pyx"]),
     ("flint.flint_base.flint_base", ["src/flint/flint_base/flint_base.pyx"]),
     ("flint.flint_base.flint_context", ["src/flint/flint_base/flint_context.pyx"]),