Remove Optional:Printable extension for Swift 1.1
Remove Optional:Printable extension for Swift 1.1

It is no longer legal to add public methods to a type defined in another module, according to the error message.

NatashaTheRobot/Nimble,ScottRobbins/Nimble,vtongcoder/Nimble,romankl/Nimble,vtongcoder/Nimble,octo-technology/Nimble,github/Nimble,mrackwitz/Nimble,feinstruktur/Nimble,NatashaTheRobot/Nimble,joemasilotti/Nimble,rbeeger/Nimble,Quick/Nimble,gfontenot/Nimble,ScottRobbins/Nimble,makezwl/zhao,AnthonyMDev/Nimble,jeffh/Nimble,mrackwitz/Nimble,gfontenot/Nimble,alexbasson/Nimble,romankl/Nimble,jrmiddle/Nimble,dgdosen/Nimble,jrmiddle/Nimble,joemasilotti/Nimble,jeffh/Nimble,briancroom/Nimble,NatashaTheRobot/Nimble,jeffh/Nimble,mishimay/Nimble,github/Nimble,mishimay/Nimble,romankl/Nimble,makezwl/zhao,DanielAsher/Nimble,alexbasson/Nimble,ashfurrow/Nimble,octo-technology/Nimble,rbeeger/Nimble,octo-technology/Nimble,alexbasson/Nimble,msdgwzhy6/Nimble,abbeycode/Nimble,gfontenot/Nimble,Quick/Nimble,briancroom/Nimble,alvinvarghese/Nimble,briancroom/Nimble,mishimay/Nimble,nikita-leonov/Nimble,ashfurrow/Nimble,briancroom/Nimble,ashfurrow/Nimble,vtongcoder/Nimble,dgdosen/Nimble,phatblat/Nimble,abbeycode/Nimble,jrmiddle/Nimble,twobitlabs/Nimble,twobitlabs/Nimble,msdgwzhy6/Nimble,ScottRobbins/Nimble,AnthonyMDev/Nimble,mrackwitz/Nimble,romankl/Nimble,alvinvarghese/Nimble,abbeycode/Nimble,nikita-leonov/Nimble,DanielAsher/Nimble,jeffh/Nimble,dgdosen/Nimble,phatblat/Nimble,makezwl/zhao,msdgwzhy6/Nimble,dgdosen/Nimble,NatashaTheRobot/Nimble,rbeeger/Nimble,msdgwzhy6/Nimble,abbeycode/Nimble,jrmiddle/Nimble,alvinvarghese/Nimble,phatblat/Nimble,feinstruktur/Nimble,AnthonyMDev/Nimble,octo-technology/Nimble,nikita-leonov/Nimble,joemasilotti/Nimble,alvinvarghese/Nimble,gfontenot/Nimble,rbeeger/Nimble,DanielAsher/Nimble,mrackwitz/Nimble,feinstruktur/Nimble,twobitlabs/Nimble,Quick/Nimble,alexbasson/Nimble