Remove text doc builds

Author: vyasr

ci/build_docs.sh

@@ -29,10 +29,8 @@ export RAPIDS_DOCS_DIR="$(mktemp -d)"
 rapids-logger "Build Python docs"
 pushd docs
 sphinx-build -b dirhtml ./source _html
-sphinx-build -b text ./source _text
-mkdir -p "${RAPIDS_DOCS_DIR}/dask-cuda/"{html,txt}
+mkdir -p "${RAPIDS_DOCS_DIR}/dask-cuda/"html
 mv _html/* "${RAPIDS_DOCS_DIR}/dask-cuda/html"
-mv _text/* "${RAPIDS_DOCS_DIR}/dask-cuda/txt"
 popd
 
 rapids-upload-docs