Drop this before merge

This can be dropped once we merge solidusio/solidus#6432

Author: AlistairNorman

bin/sandbox

@@ -66,7 +66,7 @@ if [ -n "$DB_HOST" ]; then
 fi
 
 cat <<RUBY >> Gemfile
-gem 'solidus', github: 'solidusio/solidus', branch: '$SOLIDUS_BRANCH'
+gem 'solidus', github: 'solidusio/solidus', branch: 'main'
 gem 'rails-i18n'
 gem 'solidus_i18n'
 gem 'solidus_auth_devise', github: "solidusio/solidus_auth_devise"