fix reading of otel.propagators

smoke-tests-otel-starter/src/test/java/io/opentelemetry/smoketest/OtelSpringStarterSmokeTest.java

@@ -42,8 +42,7 @@
       "otel.metric.export.interval=100",
       "otel.exporter.otlp.headers=a=1,b=2",
       // We set the export interval of the metrics to 100 ms. The default value is 1 minute.
-      // the headers are simply set here to make sure that headers can be parsed, even with
-      // otel.exporter.otlp.enabled=false
+      // the headers are simply set here to make sure that headers can be parsed
     })
 class OtelSpringStarterSmokeTest {