staging: android: ion: remove redundant variable table

Variable table is being set but is never read, it is therefore
redundant and can be removed. Cleans up clang warning:

drivers/staging/android/ion/ion.c:112:2: warning: Value stored to 'table' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>