outdirWarn already adds dot to the end

Author: laurit

profiler/src/main/java/com/splunk/opentelemetry/profiler/JfrActivator.java

@@ -100,7 +100,7 @@ private boolean checkOutputDir(Path outputDir) {
     }
 
     if (!Files.isWritable(outputDir)) {
-      outdirWarn(outputDir, "exists but is not writable.");
+      outdirWarn(outputDir, "exists but is not writable");
       return false;
     }