Update the pkgdown workflow: attempt to make the equations executable

.github/workflows/pkgdown.yaml

@@ -19,6 +19,8 @@ jobs:
       group: pkgdown-${{ github.event_name != 'pull_request' || github.run_id }}
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v4
 
@@ -35,20 +37,6 @@ jobs:
 
       - uses: r-lib/actions/setup-tinytex@v2
 
-      - name: Install libraries for Linux
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt-get install texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended texlive-fonts-extra texlive-full
-          
-      - name: Install dependencies
-        run: |
-          install.packages("remotes")
-          remotes::install_deps(dependencies = TRUE)
-          remotes::install_cran("rcmdcheck")
-          tinytex::tlmgr_install("amscls")
-          tinytex::parse_install(text = "! LaTeX Error: File `ae.sty' not found.")
-        shell: Rscript {0}
-
       - name: Build site
         run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
         shell: Rscript {0}