tests: logging: Remove unneeded excludes

Remove unneeded platform excludes.

Signed-off-by: Andrei Emeltchenko <[email protected]>

Author: finikorg

tests/subsys/logging/log_core/testcase.yaml

@@ -1,7 +1,5 @@
 tests:
   logging.log_core:
     tags: log_core logging
-    platform_exclude: nucleo_l053r8 nucleo_f030r8
-      stm32f0_disco native_posix native_posix_64 nrf52_bsim
-      qemu_riscv64
+    platform_exclude: qemu_riscv64
     filter: not CONFIG_LOG_IMMEDIATE