Update requirements.19.11.txt

Author: hephaex

commons/requirements.19.11.txt

@@ -65,8 +65,6 @@ Pillow==5.4.1
 portpicker==1.3.1
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
-#protobuf==3.10.0
-#protobuf==3.9.2
 psutil==5.6.3
 ptyprocess==0.6.0
 #pycocotools==2.0.0