message: Remove Boost unit test library linkage from chain_unit_test cmake
  Our root CMakeLists asks for several boost libraries to be linked, unit test being one of them. The addtional request for boost unit test library in chain_unit_test can cause duplicate symbols at link time
diff: @@ -9,6 +9,6 @@ add_executable(chain_unit_test
  )
  target_include_directories(chain_unit_test PRIVATE ${Boost_INCLUDE_DIRS})
  target_compile_definitions(chain_unit_test PRIVATE "BOOST_TEST_DYN_LINK=1")
  -target_link_libraries(chain_unit_test ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY} eosio_chain)
  +target_link_libraries(chain_unit_test eosio_chain)
  add_test(chain_unit_test chain_unit_test)
  