remove noisy debug statement

comparemany.cc

@@ -32,7 +32,6 @@ imms_features_t analyze_file(char *path) {
     imms_stream_analyzer_process(analyzer, buf, l);
   }
   fclose(fd);
-  printf("read %d bytes\n", n);
 
   // Analyze the resulting data.
   imms_features_t f = imms_stream_analyzer_get_result(analyzer);