Revert "Preserve resources and attributes when copying stripped binaries"

This reverts commit a427aa2f4a47ae242110e9d98d4bed307f8dad73.
Revert "Rework stripping binaries when copying to containers"

This reverts commit e2332987bce967387b49c5dce24867688a01317f.
Revert "Enable stripping binaries in m68k boot floppy"

This reverts commit e986f5fce9db69ffe69ed046a6fd02bdb54f2c87.
Revert "Allow stripping binaries when copying to image containers"

This reverts commit d6de84de6690d076caf2744ba3fda17ef267cabd.
Add rules StripFile[s]
rule Link: Set HAIKU_TARGET_IS_EXECUTABLE on target
AddFilesToContainer: Strip executables, if requested

Variable HAIKU_CONTAINER_STRIP_EXECUTABLES can be set on the container
to trigger that.
Strip executables on m68k boot floppy image