MNT: Drop irrelevant MAX version constants

Author: effigies

nipype/info.py

@@ -100,14 +100,11 @@ def get_nipype_gitversion():
 # versions
 NIBABEL_MIN_VERSION = "2.1.0"
 NETWORKX_MIN_VERSION = "1.9"
-NETWORKX_MAX_VERSION_27 = "2.2"
 NUMPY_MIN_VERSION = "1.12"
 # Numpy bug in python 3.7:
 # https://www.opensourceanswers.com/blog/you-shouldnt-use-python-37-for-data-science-right-now.html
 NUMPY_MIN_VERSION_37 = "1.15.3"
 SCIPY_MIN_VERSION = "0.14"
-# Scipy drops 2.7 and 3.4 support in 1.3
-SCIPY_MAX_VERSION_34 = "1.3.0"
 TRAITS_MIN_VERSION = "4.6"
 DATEUTIL_MIN_VERSION = "2.2"
 FUTURE_MIN_VERSION = "0.16.0"