Agniva De Sarker c4b4e1bc38 MM-36271: Bump major version to 6.0 (#17973) ...

https://mattermost.atlassian.net/browse/MM-36271

```release-note
We bump the major version to 6.0
```

2021-07-22 12:21:47 +05:30

..

channel_layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

file_info_layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

layer_test.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

post_layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

stop_word.go

MM-31063: Change constants to use CamelCase (#16608)

2021-01-04 11:32:29 +05:30

team_layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

user_layer.go

MM-36271: Bump major version to 6.0 (#17973)

2021-07-22 12:21:47 +05:30

utils.go

goimports (#16640)

2021-01-07 22:42:43 +05:30