Remove Iran from censorship circumvention. Current approach isn't sufficient.

// FREEBIE

src/Network/OWSCensorshipConfiguration.m

@@ -58,10 +58,6 @@ NSString *const OWSCensorshipConfigurationReflectorHost = @"signal-reflector-mee
              @"+968": @"google.com.om",
              // UAE
              @"+971": @"google.ae",
-             // Iran
-             //
-             // There does not appear to be a specific Google domain for Iran.
-             @"+98": @"google.com",
              };
 }