FUT1-5892 revert "3156 multiple tag race condition (hapifhir#3297)"

- Issue hapifhir#3412

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/BaseHapiFhirDao.java

@@ -417,23 +417,6 @@ protected TagDefinition getTagOrNull(TransactionDetails theTransactionDetails, T
 
 				resolvedTagDefinitions.put(key, retVal);
 			}
-			count++;
-		} while (retVal == null && count < TOTAL_TAG_READ_ATTEMPTS);
-
-		if (retVal == null) {
-			// if tag is still null,
-			// something bad must be happening
-			// - throw
-			String msg = throwables.stream()
-				.map(Throwable::getMessage)
-				.collect(Collectors.joining(", "));
-			throw new InternalErrorException(
-				Msg.code(2023)
-					+ "Tag get/create failed after "
-					+ TOTAL_TAG_READ_ATTEMPTS
-					+ " attempts with error(s): "
-					+ msg
-			);
 		}
 
 		return retVal;