Remove trailing spaces (#665)

* Remove trailing spaces

* PR-665 -  Remove trailing spaces

- Updated not stable test t/pt-online-schema-change/preserve_triggers.t
- Updated utilities in bin directory

* PR-665 -  Remove trailing spaces

- Fixed typos

* PR-665 -  Remove trailing spaces

- Fixed typos

---------

Co-authored-by: Sveta Smirnova <sveta.smirnova@percona.com>

src/go/pt-mongodb-index-check/templates/duplicated.go

@@ -4,7 +4,7 @@ package templates
 // When $i == 0 (first element) {{ if $i }} returns false (0)
 
 var Duplicated = `
-Duplicated indexes 
+Duplicated indexes
 {{ range . }}
 {{ .Namespace }}, index '{{ .Name }}', with fields { {{- range $i, $val := .Key }}{{if $i}}, {{end}}{{ $val.Key }}:{{ $val.Value }}{{ end -}} } is the prefix of '{{ .ContainerName }}' with fields { {{- range $i, $val := .ContainerKey }}{{if $i}}, {{end}}{{ $val.Key }}:{{ $val.Value }}{{ end -}} }{{ end}}
 `