Revert "Generate requirements.txt through pip-compile so that dependencies are version locked (#62)" (#63)

This reverts commit 9cfa392.

Author: jmelis

requirements.in

@@ -1,20 +1,3 @@
-#
-# This file is autogenerated by pip-compile
-# To update, run:
-#
-#    pip-compile --output-file requirements.txt requirements.in
-#
-anymarkup-core==0.7.1     # via anymarkup
-anymarkup==0.7.0
-certifi==2018.4.16        # via requests
-chardet==3.0.4            # via requests
-configobj==5.0.6          # via anymarkup
-idna==2.6                 # via requests
-json5==0.6.0              # via anymarkup
-python-dateutil==2.7.2
-pyyaml==3.12              # via anymarkup
-requests==2.18.4
-six==1.11.0               # via anymarkup-core, configobj, python-dateutil
-toml==0.9.4               # via anymarkup
-urllib3==1.22             # via requests
-xmltodict==0.11.0         # via anymarkup
+anymarkup
+requests
+python-dateutil