Revert "Merge pull request #416 from melle/app-extensions"

This reverts commit 8d0a3599ee304c2d0444521eb1765ec62eb01bae, reversing
changes made to 7e4dd53c9837019be15688c6f46525d241494920.

GCDWebServer/Core/GCDWebServer.m

@@ -204,7 +204,7 @@ static void _ExecuteMainThreadRunLoopSources() {
 #endif
 }
 
-#if TARGET_OS_IPHONE && !defined TARGET_OS_IPHONE_EXTENSION
+#if TARGET_OS_IPHONE
 
 // Always called on main thread
 - (void)_startBackgroundTask {
@@ -229,7 +229,7 @@ static void _ExecuteMainThreadRunLoopSources() {
   _connected = YES;
   GWS_LOG_DEBUG(@"Did connect");
 
-#if TARGET_OS_IPHONE && !defined TARGET_OS_IPHONE_EXTENSION
+#if TARGET_OS_IPHONE
   if ([[UIApplication sharedApplication] applicationState] != UIApplicationStateBackground) {
     [self _startBackgroundTask];
   }
@@ -259,7 +259,7 @@ static void _ExecuteMainThreadRunLoopSources() {
   });
 }
 
-#if TARGET_OS_IPHONE && !defined TARGET_OS_IPHONE_EXTENSION
+#if TARGET_OS_IPHONE
 
 // Always called on main thread
 - (void)_endBackgroundTask {
@@ -283,7 +283,7 @@ static void _ExecuteMainThreadRunLoopSources() {
   _connected = NO;
   GWS_LOG_DEBUG(@"Did disconnect");
 
-#if TARGET_OS_IPHONE && !defined TARGET_OS_IPHONE_EXTENSION
+#if TARGET_OS_IPHONE
   [self _endBackgroundTask];
 #endif
 
@@ -732,7 +732,7 @@ static inline NSString* _EncodeBase64(NSString* string) {
 - (BOOL)startWithOptions:(NSDictionary<NSString*, id>*)options error:(NSError**)error {
   if (_options == nil) {
     _options = options ? [options copy] : @{};
-#if TARGET_OS_IPHONE && !defined TARGET_OS_IPHONE_EXTENSION
+#if TARGET_OS_IPHONE
     _suspendInBackground = [(NSNumber*)_GetOption(_options, GCDWebServerOption_AutomaticallySuspendInBackground, @YES) boolValue];
     if (((_suspendInBackground == NO) || ([[UIApplication sharedApplication] applicationState] != UIApplicationStateBackground)) && ![self _start:error])
 #else