remove add_dependency for gmock/gtest as target_link_libraries should add dependency already for them
remove add_dependency for gmock/gtest as target_link_libraries should
add dependency already for them

lambday/shogun,lambday/shogun,sorig/shogun,shogun-toolbox/shogun,lambday/shogun,shogun-toolbox/shogun,sorig/shogun,geektoni/shogun,lambday/shogun,besser82/shogun,Saurabh7/shogun,lisitsyn/shogun,Saurabh7/shogun,geektoni/shogun,geektoni/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,lisitsyn/shogun,lisitsyn/shogun,karlnapf/shogun,lisitsyn/shogun,besser82/shogun,Saurabh7/shogun,Saurabh7/shogun,sorig/shogun,sorig/shogun,lambday/shogun,geektoni/shogun,Saurabh7/shogun,sorig/shogun,besser82/shogun,Saurabh7/shogun,Saurabh7/shogun,besser82/shogun,karlnapf/shogun,besser82/shogun,geektoni/shogun,lisitsyn/shogun,sorig/shogun,besser82/shogun,karlnapf/shogun,shogun-toolbox/shogun,lambday/shogun,geektoni/shogun,karlnapf/shogun,karlnapf/shogun,Saurabh7/shogun,shogun-toolbox/shogun,karlnapf/shogun,Saurabh7/shogun,lisitsyn/shogun