stop looping over versions since it makes failures take longer

scripts/setup.sh

@@ -138,16 +138,7 @@ do
     # standard for build time and memory consumption, see
     # https://github.com/IainNZ/PackageEvaluator.jl/issues/83
     # The log for adding the package will go in the results folder.
-    timeout 1800s julia -e "pkg = \"${PKGNAME}\"
-        for v in reverse(Pkg.available(pkg))
-            try
-                Pkg.add(pkg, v)
-                break
-            catch err
-                warn(err)
-            end
-        end
-        Pkg.add(pkg)" 2>&1 | tee PKGEVAL_${PKGNAME}_add.log
+    timeout 1800s julia -e "Pkg.add(\"${PKGNAME}\")" 2>&1 | tee PKGEVAL_${PKGNAME}_add.log
     # A package can have four states:
     # - Not testable: for some reason, we can't even analyze how
     #   broken or not the package is, usually due to a limitation