Podfile: remove local path

Author: greenrobot

Example/Podfile

@@ -2,12 +2,12 @@ use_frameworks!
 
 target 'NotesExample-iOS' do
  platform :ios, :deployment_target => '11.0'
- pod 'ObjectBox', :path => '../'
+ pod 'ObjectBox'
  pod 'Sourcery'
 end
 
 target 'NotesExample-macOS' do
  platform :osx, :deployment_target => '10.10'
- pod 'ObjectBox', :path => '../'
+ pod 'ObjectBox'
  pod 'Sourcery'
 end