move debug info to LogLevel FINE

Author: timfel

graalpython/com.oracle.graal.python.shell/src/com/oracle/graal/python/shell/GraalPythonMain.java

@@ -163,7 +163,6 @@ protected void launch(Builder contextBuilder) {
         // setting this to make sure our TopLevelExceptionHandler calls the excepthook
         // to print Python exceptions
         contextBuilder.option("python.AlwaysRunExcepthook", "true");
-        contextBuilder.option("log.level", "WARNING");
         if (inspectFlag) {
             contextBuilder.option("python.InspectFlag", "true");
         }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PythonCore.java

@@ -119,8 +119,8 @@ static void writeWarning(String warning) {
         PythonLanguage.getLogger().warning(warning);
     }
 
-    static void writeInfo(String warning) {
-        PythonLanguage.getLogger().info(warning);
+    static void writeInfo(String message) {
+        PythonLanguage.getLogger().fine(message);
     }
 
     @TruffleBoundary