Remove dynamic options. (#637)

Author: hameerabbasi

sparse/tests/conftest.py

@@ -1,15 +1,5 @@
-import platform
-import sys
-
 import pytest
 
-is_64bits = sys.maxsize > 2**32
-
-
-def pytest_cmdline_preparse(args):
-    if platform.system() != "Windows" and not is_64bits:
-        args.append("--doctest-modules")
-
 
 @pytest.fixture(scope="session")
 def rng():