use global quantecon environment for building (#120)

Author: mmcky

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
           miniconda-version: 'latest'
           python-version: 3.8
           environment-file: environment.yml
-          activate-environment: lecture-python
+          activate-environment: quantecon
       - name: Display Conda Environment Versions
         shell: bash -l {0}
         run: conda list

.github/workflows/publish.yml

@@ -18,7 +18,7 @@ jobs:
           miniconda-version: 'latest'
           python-version: 3.8
           environment-file: environment.yml
-          activate-environment: lecture-python
+          activate-environment: quantecon
       - name: Display Conda Environment Versions
         shell: bash -l {0}
         run: conda list

environment.yml

@@ -1,4 +1,4 @@
-name: lecture-python
+name: quantecon
 channels:
   - default
 dependencies:
@@ -7,11 +7,12 @@ dependencies:
   - pip
   - pip:
     - jupyter-book
-    - sphinxext-rediraffe
     - sphinx-multitoc-numbering
     - quantecon-book-theme
+    - sphinx-tojupyter
+    - sphinxext-rediraffe
     - sphinx-exercise
-    - joblib
-    - interpolation
-    - git+https://github.com/quantecon/sphinx-tojupyter
+    - jupytext
+    - ghp-import
+    - jupinx