package/strace: bump to version 5.5

package/strace: bump to version 5.5

Drop patch.
Strace 5.5 now is compatible with glibc-2.31 and
Linux kernel headers < 5.3.

The copyright year was updated in COPYING, so update the hash.

Fixes:
  - http://autobuild.buildroot.net/results/dd7ec26396412375941eaf43daf755d61a68458b/

Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: arc-buildroot@synopsys.com
Cc: Baruch Siach <baruch@tkos.co.il>
[yann.morin.1998@free.fr:
  - add autobuilder reference provided by Baruch
  - fix hash for COPYING
  - two spaces in hash file
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>