Remove verbose setting and reorder some print statements in VideoProcessor.

Always enabling verbose mode means about 100% more text is printed,
but this should not be a problem as the only time that we explicitly
look at the logs is when the bots are failing, or when we want to save
all output for plotting.

BUG=webrtc:8448

Change-Id: Ia5feab5220d047440d15cddb7d3fbca1c5a4aaf5
Reviewed-on: https://webrtc-review.googlesource.com/16140
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20461}

modules/video_coding/codecs/test/test_config.h

@@ -99,9 +99,6 @@ struct TestConfig {
   // Codec settings to use.
   webrtc::VideoCodec codec_settings;
 
-  // If printing of information to stdout shall be performed during processing.
-  bool verbose = true;
-
   // Should hardware accelerated codecs be used?
   bool hw_encoder = false;
   bool hw_decoder = false;