Allow using no-context propagation and make sure tracecontext is not always used (#247)

Signed-off-by: Pavol Loffay <[email protected]>

Author: pavolloffay

Diff for: javaagent-core/src/main/java/org/hypertrace/agent/core/config/EnvironmentConfig.java

@@ -73,6 +73,7 @@ public static AgentConfig.Builder applyPropertiesAndEnvVars(AgentConfig.Builder
   private static void applyPropagationFormat(AgentConfig.Builder builder) {
     String propagationFormats = getProperty(PROPAGATION_FORMATS);
     if (propagationFormats != null) {
+      builder.clearPropagationFormats();
       String[] formats = propagationFormats.split(",");
       for (String format : formats) {
         builder.addPropagationFormats(PropagationFormat.valueOf(format));