Remove unreachable code (per Coveralls)

This condition was never reached. Apart from code coverage, it's clear that an exception would not be thrown before this point since only libmongoc functions are called.

Author: jmikola

php_phongo.c

@@ -755,12 +755,6 @@ bool phongo_execute_bulk_write(mongoc_client_t* client, const char* namespace, p
 		return true;
 	}
 
-	/* Check for connection related exceptions */
-	if (EG(exception)) {
-		bson_destroy(&reply);
-		return false;
-	}
-
 	writeresult                = phongo_writeresult_init(return_value, &reply, client, mongoc_bulk_operation_get_hint(bulk) TSRMLS_CC);
 	writeresult->write_concern = mongoc_write_concern_copy(write_concern);