Remove duplicated words in pkg files

Signed-off-by: mooncake <xcoder@tenxcloud.com>

pkg/fileutils/fileutils.go

@@ -106,7 +106,7 @@ func (pm *PatternMatcher) Patterns() []*Pattern {
 	return pm.patterns
 }
 
-// Pattern defines a single regexp used used to filter file paths.
+// Pattern defines a single regexp used to filter file paths.
 type Pattern struct {
 	cleanedPattern string
 	dirs           []string

pkg/plugins/plugins.go

@@ -11,7 +11,7 @@
 // The plugins need to implement an HTTP server and bind this to the UNIX socket
 // or the address specified in the spec files.
 // A handshake is send at /Plugin.Activate, and plugins are expected to return
-// a Manifest with a list of of Docker subsystems which this plugin implements.
+// a Manifest with a list of Docker subsystems which this plugin implements.
 //
 // In order to use a plugins, you can use the ``Get`` with the name of the
 // plugin and the subsystem it implements.

pkg/streamformatter/streamformatter.go

@@ -94,7 +94,7 @@ func NewProgressOutput(out io.Writer) progress.Output {
 	return &progressOutput{sf: &rawProgressFormatter{}, out: out, newLines: true}
 }
 
-// NewJSONProgressOutput returns a progress.Output that that formats output
+// NewJSONProgressOutput returns a progress.Output that formats output
 // using JSON objects
 func NewJSONProgressOutput(out io.Writer, newLines bool) progress.Output {
 	return &progressOutput{sf: &jsonProgressFormatter{}, out: out, newLines: newLines}