Remove unused code

interface.go

@@ -353,26 +353,6 @@ type Style struct {
 	bg termbox.Attribute
 }
 
-// CtxOptions is the interface that defines that options can be
-// passed in from the command line
-type CtxOptions interface {
-	// EnableNullSep should return if the null separator is
-	// enabled (--null)
-	EnableNullSep() bool
-
-	// BufferSize should return the buffer size. By default (i.e.
-	// when it returns 0), the buffer size is unlimited.
-	// (--buffer-size)
-	BufferSize() int
-
-	// InitialIndex is the line number to put the cursor on
-	// when peco starts
-	InitialIndex() int
-
-	// LayoutType returns the name of the layout to use
-	LayoutType() string
-}
-
 type Location struct {
 	col     int
 	lineno  int

options.go

@@ -10,12 +10,12 @@ import (
 	"github.com/pkg/errors"
 )
 
-// BufferSize returns the specified buffer size. Fulfills CtxOptions
+// BufferSize returns the specified buffer size.
 func (o CLIOptions) BufferSize() int {
 	return o.OptBufferSize
 }
 
-// EnableNullSep returns true if --null was specified. Fulfills CtxOptions
+// EnableNullSep returns true if --null was specified.
 func (o CLIOptions) EnableNullSep() bool {
 	return o.OptEnableNullSep
 }