message: docs: removed non-supported versions from LTS
  PR Close
diff: @@ -122,12 +122,8 @@ Version | Status | Released | Active Ends | LTS Ends
  ------- | ------ | ------------ | ------------ | ------------
  ^8.0.0 | Active | May 28, 2019 | Nov 28, 2019 | Nov 28, 2020
  ^7.0.0 | LTS | Oct 18, 2018 | Apr 18, 2019 | Apr 18, 2020
  -^6.0.0 | LTS | May 3, 2018 | Nov 3, 2018 | Nov 3, 2019
  -
  -Angular versions ^4.0.0 and ^5.0.0 are no longer under support.
  -
  -
  +Angular versions ^4.0.0, ^5.0.0 and ^6.0.0 are no longer under support.
  {@a deprecation}
  ## Deprecation practices
  