Removed assertion in UT that was used to demonstrate name collision

Author: robsunday

javaagent-extension-api/src/test/java/io/opentelemetry/javaagent/extension/DeclarativeConfigPropertiesBridgeTest.java

@@ -139,8 +139,5 @@ void getProperties() {
     // verify vendor specific property names are preserved in unchanged form (prefix is not stripped
     // as for otel.instrumentation.*)
     assertThat(bridge.getBoolean("acme.full_name.preserved")).isTrue();
-    // Example of property name collision:
-    assertThat(bridge.getBoolean("acme.full_name.preserved"))
-        .isEqualTo(bridge.getBoolean("otel.instrumentation.acme.full_name.preserved"));
   }
 }