use conda-forge over rmgchannel where possible for dependencies

environment.yml

@@ -1,49 +1,49 @@
 name: rmg_env
 channels:
   - defaults
-  - rmg
   - conda-forge
+  - rmg
 dependencies:
   - cairo
   - cairocffi
-  - rmg::cantera >=2.3.0
+  - cantera >=2.3.0
   - conda-forge::cclib >=1.6.3
-  - rmg::chemprop
+  - chemprop
   - coolprop
   - coverage
   - cython >=0.25.2
   - rmg::diffeqpy
   - ffmpeg
-  - rmg::gprof2dot
+  - gprof2dot
   - graphviz
   - h5py
   - jinja2
   - jupyter
-  - rmg::lpsolve55
+  - lpsolve55
   - markupsafe
   - matplotlib >=1.5
-  - rmg::mopac
+  - mopac
   - mpmath
   - rmg::muq2
   - networkx
   - nomkl
   - nose
-  - rmg::numdifftools
+  - numdifftools
   - numpy >=1.10.0
   - conda-forge::openbabel >= 3
   - pandas
   - psutil
   - rmg::pydas >=1.0.2
   - pydot
   - rmg::pydqed >=1.0.1
-  - rmg::pyjulia
+  - pyjulia
   - pymongo
   - pyparsing
   - rmg::pyrdl
   - rmg::pyrms
   - python >=3.7
   - pyyaml
-  - rmg::quantities
+  - quantities
   - rmg::rdkit >=2020.03.3.0
   - scikit-learn
   - scipy