Clean up synonyms list
Clean up synonyms list

- change the index-time 'social fund, budgeting loans, crisis loans'
  back to search-time, because they don't actually mean the same thing
and it's affecting searches for just 'loans', which is a popular query

- remove anything that's commented out

- group together rules that follow the same pattern

alphagov/rummager,alphagov/rummager