Remove obsolete comments in av1_encode_strategy()

Change-Id: I8392424b630d4cfe705bae5c2763743d55461d0a
diff --git a/av1/encoder/encode_strategy.c b/av1/encoder/encode_strategy.c
index 8d67ba3..c2b8c51 100644
--- a/av1/encoder/encode_strategy.c
+++ b/av1/encoder/encode_strategy.c
@@ -1396,12 +1396,6 @@
     frame_params.frame_type = INTER_FRAME;
   }
 
-  // TODO(david.turner@argondesign.com): Move all the encode strategy
-  // (largely near av1_get_compressed_data) in here
-
-  // TODO(david.turner@argondesign.com): Change all the encode strategy to
-  // modify frame_params instead of cm or cpi.
-
   // Per-frame encode speed.  In theory this can vary, but things may have
   // been written assuming speed-level will not change within a sequence, so
   // this parameter should be used with caution.