fix: unused Podfile code

Author: chrispader

example/ios/Podfile

@@ -10,8 +10,6 @@ require Pod::Executable.execute_command('node', ['-p',
 platform :ios, min_ios_version_supported
 prepare_react_native_project!
 
-# This helps with header search paths when using frameworks
-def fix_cplusplus_header_paths(installer)
 linkage = ENV['USE_FRAMEWORKS']
 	if linkage != nil
 	  Pod::UI.puts "Configuring Pod with #{linkage}ally linked Frameworks".green