samples: tests: remove platform_exclude of esp32 boards

Those related tests are automatically filtered out and
the boards can be removed from there.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>

samples/arch/smp/pktqueue/sample.yaml

@@ -18,13 +18,5 @@ tests:
     depends_on:
       - smp
     filter: (CONFIG_MP_MAX_NUM_CPUS > 1)
-    platform_exclude:
-      - esp32_devkitc_wroom
-      - esp_wrover_kit
-      - esp32_ethernet_kit
-      - heltec_wifi_lora32_v2
-      - m5stickc_plus
-      - odroid_go
-      - olimex_esp32_evb
     integration_platforms:
       - qemu_x86_64

tests/lib/heap/testcase.yaml

@@ -13,7 +13,6 @@ tests:
       - qemu_xtensa
       - esp32s2_saola
       - esp32s2_lolin_mini
-      - esp32s3_devkitm
     filter: not CONFIG_SOC_NSIM
     timeout: 480
     integration_platforms: