[cpan2nix] perlPackages.TaskPlack: cleanup

dependencies:
perlPackages.CGICompile: init at 0.22
perlPackages.Coro: init at 6.514
perlPackages.Corona: init at 0.1004
perlPackages.FCGIClient: init at 0.08
perlPackages.JavaScriptValueEscape: init at 0.07
perlPackages.NetFastCGI: init at 0.14
perlPackages.NetServerCoro: init at 1.3
perlPackages.PlackAppProxy: init at 0.29
perlPackages.PlackMiddlewareAuthDigest: init at 0.05
perlPackages.PlackMiddlewareConsoleLogger: init at 0.05
perlPackages.PlackMiddlewareDeflater: init at 0.12
perlPackages.PlackMiddlewareHeader: init at 0.04
perlPackages.PlackMiddlewareSession: init at 0.30
perlPackages.TestHexString: init at 0.03
perlPackages.Twiggy: init at 0.1025