Update CODEOWNERS to remove agent-platform (#20034)

We no longer own this check

Author: FlorentClarret

.github/CODEOWNERS

@@ -138,11 +138,6 @@ manifest.json         @DataDog/documentation @DataDog/agent-integrations
 /otel/*.md                                @DataDog/opentelemetry @DataDog/agent-integrations @DataDog/documentation
 /otel/manifest.json                       @DataDog/opentelemetry @DataDog/agent-integrations @DataDog/documentation
 
-# Agent Platform
-/nvidia_jetson/                           @DataDog/agent-platform @DataDog/agent-integrations
-/nvidia_jetson/*.md                       @DataDog/agent-platform @DataDog/agent-integrations @DataDog/documentation
-/nvidia_jetson/manifest.json              @DataDog/agent-platform @DataDog/agent-integrations @DataDog/documentation
-
 # Database monitoring
 **/base/utils/db/utils.py                           @DataDog/agent-integrations @DataDog/database-monitoring-agent
 datadog_checks_base/tests/**/test_util.py           @DataDog/agent-integrations @DataDog/database-monitoring-agent