Update podspec file

Author: jhabr

PathshareSDK.podspec

@@ -11,6 +11,5 @@ Pod::Spec.new do |s|
   s.source              = { :git => 'https://github.com/freshbits/pathshare-sdk-ios.git', :tag => s.version.to_s }
   s.platform            = :ios, '8.0'
   s.preserve_paths      = 'PathshareSDK.framework'
-  s.public_header_files = 'PathshareSDK.framework/Headers/PathshareSDK.h'
   s.vendored_frameworks = 'PathshareSDK.framework'
 end