Default PF_HOME_TIMELINE_CACHE to true, remove false code path

The home timeline cache-busting calls (Cache::forget) are now
unconditional since caching is always on. Removed the config
checks from StatusObserver, FollowerObserver, and UnfollowPipeline.

app/Jobs/FollowPipeline/UnfollowPipeline.php

@@ -103,7 +103,7 @@ class UnfollowPipeline implements ShouldQueue
                 });
         }
 
-        if ($actorProfile->domain == null && config('instance.timeline.home.cached')) {
+        if ($actorProfile->domain == null) {
             Cache::forget('pf:timelines:home:'.$actor);
         }
 

app/Observers/FollowerObserver.php

@@ -16,9 +16,7 @@ class FollowerObserver
      */
     public function created(Follower $follower)
     {
-        if (config('instance.timeline.home.cached')) {
-            Cache::forget('pf:timelines:home:'.$follower->profile_id);
-        }
+        Cache::forget('pf:timelines:home:'.$follower->profile_id);
 
         FollowerService::add($follower->profile_id, $follower->following_id);
         FeedFollowPipeline::dispatch($follower->profile_id, $follower->following_id)->onQueue('follow');

app/Observers/StatusObserver.php

@@ -40,9 +40,7 @@ class StatusObserver
             return;
         }
 
-        if (config('instance.timeline.home.cached')) {
-            Cache::forget('pf:timelines:home:'.$status->profile_id);
-        }
+        Cache::forget('pf:timelines:home:'.$status->profile_id);
 
         if (in_array($status->scope, ['public', 'unlisted']) && in_array($status->type, ['photo', 'photo:album', 'video'])) {
             ProfileStatusService::add($status->profile_id, $status->id);
@@ -60,9 +58,7 @@ class StatusObserver
             return;
         }
 
-        if (config('instance.timeline.home.cached')) {
-            Cache::forget('pf:timelines:home:'.$status->profile_id);
-        }
+        Cache::forget('pf:timelines:home:'.$status->profile_id);
 
         ProfileStatusService::delete($status->profile_id, $status->id);
 

config/instance.php

@@ -25,7 +25,7 @@ return [
 
     'timeline' => [
         'home' => [
-            'cached' => env('PF_HOME_TIMELINE_CACHE', false),
+            'cached' => env('PF_HOME_TIMELINE_CACHE', true),
             'cache_ttl' => env('PF_HOME_TIMELINE_CACHE_TTL', 86400),
             'cache_dropoff' => env('PF_HOME_TIMELINE_CACHE_DROPOFF', 800),
         ],