Remove examples dir from prod autoload

Author: tidal

composer.json

@@ -38,16 +38,16 @@
             "detectors/",
             "exporters/",
             "instrumentation/",
-            "propagators/",
-            "examples/"
+            "propagators/"
         ],
         "exclude-from-classmap": ["instrumentation/symfony/OtelSdkBundle/vendor"]
     },
     "autoload-dev": {
         "psr-4": {
             "OpenTelemetry\\Test\\Unit\\Symfony\\": "tests/unit/instrumentation/Symfony",
             "OpenTelemetry\\Test\\Integration\\Symfony\\": "tests/integration/instrumentation/Symfony"
-        }
+        },
+        "classmap": ["examples/"]
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",