prototype: remove redundant conditional
prototype: remove redundant conditional

ShefronYudy/prototype,loduis/prototype,ShefronYudy/prototype,erpframework/prototype,GunioRobot/fusejs,sstephenson/prototype,baiyanghese/prototype,fashionsun/prototype,Gargaj/prototype,lamsieuquay/prototype,fashionsun/prototype,kensnyder/fusejs,sstephenson/prototype,ldf7801528/prototype,ldf7801528/prototype,savetheclocktower/prototype,ridixcr/prototype,292388900/prototype,GunioRobot/fusejs,baiyanghese/prototype,sdumitriu/prototype,ShefronYudy/prototype,lamsieuquay/prototype,leafo/prototype,mc0/fusejs,erpframework/prototype,sstephenson/prototype,erpframework/prototype,kangax/prototype,kangax/prototype,leafo/prototype,jgornick/fusejs,Jiasm/prototype,292388900/prototype,Gargaj/prototype,madrobby/prototype,292388900/prototype,madrobby/prototype,loduis/prototype,jgornick/fusejs,sdumitriu/prototype,ridixcr/prototype,savetheclocktower/prototype,Jiasm/prototype,Jiasm/prototype,loduis/prototype,lamsieuquay/prototype,fashionsun/prototype,Gargaj/prototype,sdumitriu/prototype,kensnyder/fusejs,ldf7801528/prototype,ridixcr/prototype,mc0/fusejs