+Removed unneccessary public headers from podspec
+Removed unneccessary public headers from podspec

xtazz/IOS-Pods-DFU-Library,ringly/IOS-Pods-DFU-Library,NordicSemiconductor/IOS-Pods-DFU-Library,xtazz/IOS-Pods-DFU-Library,xtazz/IOS-Pods-DFU-Library,ringly/IOS-Pods-DFU-Library,Reggian/IOS-Pods-DFU-Library,xtazz/IOS-Pods-DFU-Library,NordicSemiconductor/IOS-Pods-DFU-Library,Reggian/IOS-Pods-DFU-Library,Reggian/IOS-Pods-DFU-Library,Reggian/IOS-Pods-DFU-Library