Remove an unused local variable from head.S.  It seems this was never
used even from the initial commit
9703d9d7f77ce129621f7d80a844822e2daa7008 (arm64: Kernel booting and
initialisation), and is a left over from a previous implementation
of __calc_phys_offset.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
        .long   0
        .popsection
 
-       .align  3
-2:     .quad   .
-       .quad   PAGE_OFFSET
-
 #ifdef CONFIG_SMP
        .align  3
 1:     .quad   .