.github/workflows/ci-passagemath-macaulay2.yml: Remove singular from system packages

Author: mkoeppe

.github/workflows/ci-passagemath-macaulay2.yml

@@ -85,7 +85,8 @@ jobs:
   passagemath-macaulay2:
     uses: passagemath/passagemath/.github/workflows/docker.yml@main
     with:
-      extra_sage_packages: gdbm git libxml2 gfortran cmake python3 openblas zlib readline sqlite libpng bzip2 liblzma libffi openssl 4ti2 fflas_ffpack boost_cropped cddlib givaro glpk gmp mpc mpfi mpfr ncurses ntl readline singular lrslib normaliz topcom gfan frobby nauty libnauty flint onetbb googletest mpsolve msolve eigen gc ninja_build curl
+      # singular is not suitable, omit
+      extra_sage_packages: gdbm git libxml2 gfortran cmake python3 openblas zlib readline sqlite libpng bzip2 liblzma libffi openssl 4ti2 fflas_ffpack boost_cropped cddlib givaro glpk gmp mpc mpfi mpfr ncurses ntl readline lrslib normaliz topcom gfan frobby nauty libnauty flint onetbb googletest mpsolve msolve eigen gc ninja_build curl gsl libatomic_ops
       targets: SAGE_CHECK=no SAGE_CHECK_PACKAGES="sagemath_macaulay2" sagemath_macaulay2
       # Standard setting: Test the current HEAD of passagemath:
       sage_repo: passagemath/passagemath