Revert "[ruby/syntax_suggest] Introduce binstubs to set RUBYOPT for development"

This reverts commit d2eef4b786.

bin/rake

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-# Make sure syntax_suggest default gem is not loaded first
-RUBYOPT="${RUBYOPT-} --disable=syntax_suggest"
-RUBYOPT="$RUBYOPT" bundle exec rake "$@"

bin/rspec

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-# Make sure syntax_suggest default gem is not loaded first
-RUBYOPT="${RUBYOPT-} --disable=syntax_suggest"
-RUBYOPT="$RUBYOPT" bundle exec rspec "$@"