Remove path prefix in RNP_LOG #2025

Job	Run time
windows-latest msys2 [msystem ucrt64; backend botan; build shared libs on; GnuPG stable]	8m 12s
windows-latest msys2 [msystem ucrt64; backend botan; build shared libs on; GnuPG stable]	8m 12s
windows-latest msys2 [msystem ucrt64; backend openssl; build shared libs on; GnuPG stable]	7m 9s
windows-latest msys2 [msystem ucrt64; backend openssl; build shared libs on; GnuPG stable]	7m 9s
windows-latest msys2 [msystem mingw64; backend botan; build shared libs on; GnuPG stable]	7m 53s
windows-latest msys2 [msystem mingw64; backend botan; build shared libs on; GnuPG stable]	7m 53s
windows-latest msys2 [msystem mingw64; backend openssl; build shared libs on; GnuPG stable]	7m 4s
windows-latest msys2 [msystem mingw64; backend openssl; build shared libs on; GnuPG stable]	7m 4s
windows-latest msys2 [msystem clang64; backend botan; build shared libs on; GnuPG stable]	7m 53s
windows-latest msys2 [msystem clang64; backend botan; build shared libs on; GnuPG stable]	7m 53s
windows-latest msys2 [msystem clang64; backend openssl; build shared libs on; GnuPG stable]	6m 31s
windows-latest msys2 [msystem clang64; backend openssl; build shared libs on; GnuPG stable]	6m 50s
windows-latest msys2 [msystem ucrt64; backend botan; build shared libs off; GnuPG stable]	8m 9s
windows-latest msys2 [msystem ucrt64; backend botan; build shared libs off; GnuPG stable]	8m 9s
	1h 46m 1s

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