Fix analyzerInProgress file always being reset at app start

With this line in place, the analyzerInProgress file that is used to detect errors/crashes in previous crash processing is always reset at app start.
This prevents proper error detection if crash processing crashes/didn't finish in the previous run.

Classes/BITCrashManager.m

@@ -213,10 +213,6 @@ - (instancetype)init {
     _settingsFile = [_crashesDir stringByAppendingPathComponent:BITHOCKEY_CRASH_SETTINGS];
     _analyzerInProgressFile = [_crashesDir stringByAppendingPathComponent:BITHOCKEY_CRASH_ANALYZER];
 
-    if ([_fileManager fileExistsAtPath:_analyzerInProgressFile]) {
-      NSError *error = nil;
-      [_fileManager removeItemAtPath:_analyzerInProgressFile error:&error];
-    }
 
     if (!BITHockeyBundle() && !bit_isRunningInAppExtension()) {
       NSLog(@"[HockeySDK] WARNING: %@ is missing, will send reports automatically!", BITHOCKEYSDK_BUNDLE);