Reduce puppetserver toml change to the single gem install

apps/base/puppet/resources/additional-ruby-gems.sh

@@ -1,29 +1,11 @@
 #!/bin/bash
-# No `set -e`: the entrypoint runs post-startup hooks under errexit, so a non-zero
-# exit here kills an already-serving compiler. Failures are logged, not fatal.
-set -uo pipefail
-
-rc=0
-
-install_gem() {
-  local label=$1
-  shift
-  if ! "$@"; then
-    echo "ERROR: ${label} gem install failed: $*" >&2
-    rc=1
-  fi
-}
+set -e
 
 echo "Installing additional Ruby gems..."
-for gem in deep_merge ipaddr hiera-eyaml toml; do
-  install_gem agent /opt/puppetlabs/puppet/bin/gem install "$gem"
-done
-
-# Server-side functions load from the puppetserver JRuby gem path, not the agent one.
-install_gem puppetserver /opt/puppetlabs/bin/puppetserver gem install toml
-
-if [ "$rc" -ne 0 ]; then
-  echo "ERROR: additional Ruby gems incomplete; catalog compiles may fail" >&2
-else
-  echo "Additional Ruby gems installed successfully"
-fi
+/opt/puppetlabs/puppet/bin/gem install deep_merge
+/opt/puppetlabs/puppet/bin/gem install ipaddr
+/opt/puppetlabs/puppet/bin/gem install hiera-eyaml
+/opt/puppetlabs/puppet/bin/gem install toml
+# Under set -e a failed install kills the entrypoint post-startup hooks, taking down an already-serving compiler.
+/opt/puppetlabs/bin/puppetserver gem install toml
+echo "Additional Ruby gems installed successfully"