Reduced number of includes

6 jobs for OM6-CodeReduction
Status Job ID Name Coverage
  Test
passed #919
Linux
clang-c++11

00:11:28

passed #923
Linux
clang-c++98

00:09:40

passed #918
Linux
gcc-c++11

00:19:09

passed #921
Linux
gcc-c++98

00:15:44

passed #925
Apple
macos-c++11

00:06:50

passed #927
Apple
macos-c++98

00:06:30