Simplify conda build

scripts/conda/build.sh

@@ -4,18 +4,12 @@ set -euxo pipefail
 
 PACKAGE="holoviews"
 
-for file in dist/*.whl dist/*.tar.bz2; do
-    if [ -e "$file" ]; then
-        echo "dist folder already contains $(basename "$file"). Please delete it before running this script."
-        exit 1
-    fi
-done
-
 git diff --exit-code
 python -m build . # Can add -w when this is solved: https://github.com/pypa/hatch/issues/1305
 
-VERSION=$(find dist -name "*.whl" -exec basename {} \; | cut -d- -f2)
+VERSION=$(python -c "import $PACKAGE; print($PACKAGE._version.__version__)")
 export VERSION
+
 conda config --env --set conda_build.pkg_format 2
 conda build scripts/conda/recipe --no-anaconda-upload --no-verify