Remove service-compiler related code.

pkg/immi_samples/lib/ios/ImmiSamples/ImagePresenter.mm

-// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE.md file.
-
-#import "ImagePresenter.h"
-
-@interface ImagePresenter ()
-@property id<ImageCache> imageCache;
-@end
-
-@implementation ImagePresenter
-
-- (void)setCache:(id<ImageCache>)cache {
-  self.imageCache = cache;
-}
-
-- (void)setDefaultImage:(UIImage*)defaultImage {
-  self.image = defaultImage;
-}
-
-- (void)presentImageFromData:(NSData*) imageData {
-  self.image = [UIImage imageWithData:imageData];
-}
-
-- (void)patchImage:(ImagePatch*)patch {
-  if (patch.url.changed) {
-    [self performSelectorOnMainThread:@selector(loadImageFromUrl:)
-                           withObject:patch.url.current
-                        waitUntilDone:NO];
-  }
-}
-
-- (void)presentImage:(ImageNode*)node {
-  [self performSelectorOnMainThread:@selector(loadImageFromUrl:)
-                         withObject:node.url
-                      waitUntilDone:NO];
-}
-
-- (void)loadImageFromUrl:(NSString*)url {
-  assert(NSThread.isMainThread);
-
-  if (self.imageCache == nil) {
-    dispatch_async(dispatch_get_global_queue(0, 0), ^{
-      NSData* imageData =
-      [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:url]];
-      [self presentImageFromData:imageData];
-    });
-  } else {
-    id cachedImage = [self.imageCache get:url];
-    if (cachedImage != nil) {
-      if ([cachedImage isKindOfClass:NSMutableArray.class]) {
-        [cachedImage addObject:self];
-      } else {
-        [self presentImageFromData:cachedImage];
-      }
-    } else {
-      NSMutableArray* waitingImages = [[NSMutableArray alloc] init];
-      [waitingImages addObject:self];
-      [self.imageCache put:url value:waitingImages];
-
-      dispatch_async(dispatch_get_global_queue(0, 0), ^{
-        NSData* imageData =
-          [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:url]];
-
-        if (imageData == nil) return;
-
-        dispatch_async(dispatch_get_main_queue(), ^{
-          NSMutableArray* queue = [self.imageCache get:url];
-          [self.imageCache put:url value:imageData];
-
-          [queue enumerateObjectsUsingBlock:^(ImagePresenter* imagePresenter,
-                                              NSUInteger idx,
-                                              BOOL* stop) {
-            [imagePresenter presentImageFromData:imageData];
-          }];
-        });
-      });
-    }
-  }
-}
-
-@end