package/ltp-testsuite: keep rt_tgsigqueueinfo01.c for musl

rt_tgsigqueueinfo01.c compilation has been fixed in 20250130, don't
needed to be removed any more.

Fixes: 2bbcda7c0e ("package/ltp-testsuite: bump version to 20250130")
Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/ltp-testsuite/ltp-testsuite.mk

@@ -77,7 +77,6 @@ LTP_TESTSUITE_UNSUPPORTED_TEST_CASES_$(BR2_TOOLCHAIN_USES_UCLIBC) += \
 
 LTP_TESTSUITE_UNSUPPORTED_TEST_CASES_$(BR2_TOOLCHAIN_USES_MUSL) += \
 	testcases/kernel/syscalls/fmtmsg/fmtmsg01.c \
-	testcases/kernel/syscalls/rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c \
 	testcases/kernel/syscalls/timer_create/timer_create01.c \
 	testcases/kernel/syscalls/timer_create/timer_create03.c