Remove/Avoid NSLog calls in ios release build

[emanuelb]

The file /ios/codeAgainstCorona/AppDelegate.m contain several calls to NSLog function which do logging:

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 79 in a6627d5

NSLog(@"registering bg tasks");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 112 in a6627d5

NSLog(@"failed registering %@", proccessTaskID);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 124 in a6627d5

NSLog(@"failed registering %@", refreshTaskID);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 202 in a6627d5

NSLog(@"Failed to submit proccess request: %@", error);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 205 in a6627d5

NSLog(@"Success submit proccess request %@", request);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 224 in a6627d5

NSLog(@"Failed to submit refresh request: %@", error);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 227 in a6627d5

NSLog(@"Success submit refresh request %@", request);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 255 in a6627d5

NSLog(@"didFailWithError: %@", error);

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 262 in a6627d5

NSLog(@"didUpdateLocation");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 297 in a6627d5

NSLog(@"scheduleProcessingTask");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 299 in a6627d5

NSLog(@"scheduleRefreshTask");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 318 in a6627d5

NSLog(@"backgroundTimeRemaining: %f", ti); // just for debug

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 335 in a6627d5

NSLog(@"Application will terminate");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 344 in a6627d5

NSLog(@"scheduleProcessingTask");

hamagen-react-native/ios/codeAgainstCorona/AppDelegate.m

Line 346 in a6627d5

NSLog(@"scheduleRefreshTask");