lib: remove depends on CONFIG_EXPERIMENTAL

lib: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Andrew Morton <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
CC: Dmitry Kasatkin <[email protected]>
CC: James Morris <[email protected]>
CC: "Michael S. Tsirkin" <[email protected]>
CC: Akinobu Mita <[email protected]>
CC: Ingo Molnar <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>