Simplify dependencies

.github/workflows/ci.yml

@@ -3,6 +3,6 @@ jobs:
     build:
         runs-on: ubuntu-latest
         steps:
-          - run: sudo apt-get install --no-install-recommends -y latexmk lmodern texlive-fonts-recommended texlive-latex-extra texlive-latex-recommended texlive-pictures texlive-science
+          - run: sudo apt-get install --no-install-recommends -y latexmk lmodern texlive-latex-extra texlive-science
           - uses: actions/checkout@v2
           - run: make