Revert "Add newline after the commit message in a fixture"
Revert "Add newline after the commit message in a fixture"

This reverts commit cc4cb033795f58f83852de91a825ec5024df8685.

There is actually no newline in the git show-commit output, so the
the change was non-sense and we revert.

divmain/GitSavvy,divmain/GitSavvy,divmain/GitSavvy