remove unnecessary version.h includes

remove unnecessary version.h includes

Various files are needlessly rebuilt every time due to the version and
build time changing. As version.h is not actually needed, remove the
include.

Signed-off-by: Rob Herring <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Minkyu Kang <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Tom Warren <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Macpaul Lin <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: York Sun <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Philippe Reynes <[email protected]>
Cc: Eric Jarrige <[email protected]>
Cc: "David Müller" <[email protected]>
Cc: Phil Edworthy <[email protected]>
Cc: Robert Baldyga <[email protected]>
Cc: Torsten Koschorrek <[email protected]>
Cc: Anatolij Gustschin <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Reviewed-by: Łukasz Majewski <[email protected]>