IVGCVSW-5265 Remove boost from core ArmNN CMake

 * Remove all but Boost_UNIT_TEST_FRAMEWORK_LIBRARY from
   ArmNN Cmake files.
 * Remove references to boost::fpc from old test applications.

Signed-off-by: Colm Donelan <Colm.Donelan@arm.com>
Change-Id: Ibb1261dee4b971d1788d2805528aa800a8b883ce
diff --git a/cmake/GlobalConfig.cmake b/cmake/GlobalConfig.cmake
index 1db0025..3fb12df 100644
--- a/cmake/GlobalConfig.cmake
+++ b/cmake/GlobalConfig.cmake
@@ -135,7 +135,7 @@
     set(Boost_USE_STATIC_LIBS ON)
   endif()
   add_definitions("-DBOOST_ALL_NO_LIB") # Turn off auto-linking as we specify the libs manually
-  find_package(Boost 1.59 REQUIRED COMPONENTS unit_test_framework filesystem system program_options)
+  find_package(Boost 1.59 REQUIRED COMPONENTS unit_test_framework)
   include_directories(SYSTEM "${Boost_INCLUDE_DIRS}")
   link_directories(${Boost_LIBRARY_DIRS})
 endif()