Remove unused tool-support.rb
Remove unused tool-support.rb

The tool-support.rb include file is no longer needed by any tool,
and is removed. All tools must rely on PalletJack::Tool instead.

saab-simc-admin/palletjack,notCalle/palletjack,saab-simc-admin/palletjack,notCalle/palletjack,creideiki/palletjack,creideiki/palletjack