Drop RUSTDOCFLAGS from GitHub Pages

Author: termoshtt

.github/workflows/gh-pages.yml

@@ -40,8 +40,6 @@ jobs:
         with:
           command: doc
           args: --no-deps
-        env:
-          RUSTDOCFLAGS: "--html-in-header ndarray-linalg/katex-header.html"
 
       - name: Setup Pages
         uses: actions/configure-pages@v2