Require rdkafka v0.9.4 to build

include/cppkafka/config.h.in

@@ -1,6 +0,0 @@
-#ifndef CPPKAFKA_CONFIG_H
-#define CPPKAFKA_CONFIG_H
-
-#cmakedefine CPPKAFKA_HAVE_OFFSET_FOR_TIMES
-
-#endif // CPPKAFKA_CONFIG_H

include/cppkafka/kafka_handle_base.h

@@ -44,7 +44,6 @@
 #include "topic_configuration.h"
 #include "configuration.h"
 #include "macros.h"
-#include "config.h"
 
 namespace cppkafka {
 
@@ -156,8 +155,6 @@ public:
      */
     TopicMetadata get_metadata(const Topic& topic) const;
 
-    #ifdef CPPKAFKA_HAVE_OFFSET_FOR_TIMES
-
     /**
      * \brief Gets topic/partition offsets based on timestamps
      *
@@ -167,8 +164,6 @@ public:
      */
     TopicPartitionList get_offsets_for_times(const TopicPartitionsTimestampsMap& queries) const;
 
-    #endif // CPPKAFKA_HAVE_OFFSET_FOR_TIMES
-
     /**
      * Returns the kafka handle name
      */