More readme fixups

docs/DATA_FORMATS_INPUT.md

@@ -303,7 +303,6 @@ There are many more options available,
   name_suffix = "_mycollector"
 
   ## Data format to consume.
- (line-protocol)
   ## Each data format has it's own unique set of configuration options, read
   ## more about them here:
   ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md

plugins/inputs/exec/README.md

@@ -16,7 +16,6 @@ are configured for ```[[inputs.exec]]``` in JSON format.
   commands = ["/tmp/test.sh", "/tmp/test2.sh"]
 
   # Data format to consume.
- (line-protocol)
   # NOTE json only reads numerical measurements, strings and booleans are ignored.
   data_format = "json"