Fix single file installer (#308)

devtools/conda-envs/installer.yaml

@@ -1,11 +0,0 @@
-name: constructor
-
-channels:
-  - defaults
-  - conda-forge
-
-dependencies:
-  - conda-build
-  - conda
-  - constructor=>3.1
-  - cookiecutter

devtools/installer/construct.yaml

@@ -0,0 +1,23 @@
+name: OpenFEforge
+version: {{ environ["VERSION"] }}
+company: OpenFE
+license_file: ../../LICENSE
+
+channels:
+  - conda-forge
+
+write_condarc: True
+keep_pkgs: True
+transmute_file_type: .conda
+
+specs:
+  - conda
+  - gufe=={{ environ["VERSION"] }}
+  - mamba
+  - openfe=={{ environ["VERSION"] }}
+  - pip
+  - pytest
+  - python 3.9.*
+
+# Not building an .exe for windows or a .pkg for macOS
+installer_type: sh

devtools/scripts/build_cookiecutter_json.py

@@ -1,23 +0,0 @@
-import sys
-import json
-
-
-release_tag = sys.argv[1]
-python_version = sys.argv[2]
-ci_os = sys.argv[3]
-
-platform_mapping = {
-    "ubuntu-latest": "linux-64",
-    "macOS-latest": "osx-64",
-}
-
-data = {
-    "name": "openfe",
-    "channel": "conda-forge",
-    "python": [python_version],
-    "platform": [platform_mapping[ci_os]],
-    "release": release_tag,
-}
-
-with open("new_cookiecutter.json", "w") as fp:
-    json.dump(data, fp)