Remove some unused functions

Change-Id: Ic99891d2037e928ac927651607559e7660bd677f
diff --git a/src/lsa-segment-storage.hpp b/src/lsa-segment-storage.hpp
index bc98f25..468b2fe 100644
--- a/src/lsa-segment-storage.hpp
+++ b/src/lsa-segment-storage.hpp
@@ -51,20 +51,6 @@
   const ndn::Data*
   getLsaSegment(const ndn::Interest& interest);
 
-  /*! \brief Inserts an LSA segment into LsaSegmentStorage
-   * \param segmentKey Name of data without the version number.
-   * The format of the key is /router-prefix/LS type/sequence no./segment no.
-   * \param segmentValue The actual data packet.
-   */
-  void
-  insertSegment(const ndn::Name& segmentKey, const ndn::Data& segmentValue);
-
-  /*! \brief Given the key remove the corresponding data packet from LsaSegmentStorage.
-   * \param segmentKey Key of the Data packet that will be deleted.
-   */
-  void
-  deleteSegment(const ndn::Name& segmentKey);
-
 PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   /*! \brief Callback when SegmentFetcher retrieves a segment.
    */
@@ -99,4 +85,4 @@
 
 } // namespace nlsr
 
-#endif // NLSR_LSA_SEGMENT_STORAGE_HPP
\ No newline at end of file
+#endif // NLSR_LSA_SEGMENT_STORAGE_HPP