Remove unmaintained bumpversion

.bumpversion.cfg

@@ -1,13 +0,0 @@
-[bumpversion]
-current_version = 2.0.2
-commit = True
-tag = True
-
-[bumpversion:file:setup.py]
-search = version="{current_version}"
-replace = version="{new_version}"
-
-[bumpversion:file:flaskbb/__init__.py]
-
-[bumpversion:file:docs/conf.py]
-

requirements-dev.txt

@@ -1,7 +1,6 @@
 -rrequirements.txt
 Sphinx
 alabaster
-bumpversion>=0.5.3
 cov-core
 coverage
 flake8