[#3321] legacy code removed

Author: tomaszmrugalski

doc/devel/mainpage.dox

@@ -151,7 +151,6 @@
  *   - @subpage logDeveloperUse
  *   - @subpage logNotes
  * - @subpage LoggingApi
- * - @subpage SocketSessionUtility
  * - @subpage crossCompile
  * - @subpage debug
  * - @subpage docs

src/lib/util/Makefile.am

@@ -92,8 +92,5 @@ libkea_util_encode_include_HEADERS = \
 
 libkea_util_io_includedir = $(pkgincludedir)/util/io
 libkea_util_io_include_HEADERS = \
-	io/fd.h \
-	io/fd_share.h \
 	io/pktinfo_utilities.h \
-	io/sockaddr_util.h \
-	io/socketsession.h
+	io/sockaddr_util.h

src/lib/util/io/Makefile.am

@@ -5,8 +5,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib
 AM_CPPFLAGS += $(BOOST_INCLUDES)
 
 lib_LTLIBRARIES = libkea-util-io.la
-libkea_util_io_la_SOURCES = fd.h fd.cc fd_share.h fd_share.cc
-libkea_util_io_la_SOURCES += socketsession.h socketsession.cc sockaddr_util.h
+libkea_util_io_la_SOURCES = fd.h fd.cc
+libkea_util_io_la_SOURCES += sockaddr_util.h
 libkea_util_io_la_SOURCES += pktinfo_utilities.h
 libkea_util_io_la_LIBADD = $(top_builddir)/src/lib/exceptions/libkea-exceptions.la
 libkea_util_io_la_LDFLAGS = -no-undefined -version-info 0:1:0