remove 'lscolors' option

Related #37

comp.go

@@ -67,9 +67,6 @@ var (
 		"ignorecase",
 		"noignorecase",
 		"ignorecase!",
-		"lscolors",
-		"nolscolors",
-		"lscolors!",
 		"preview",
 		"nopreview",
 		"preview!",

doc.go

@@ -79,7 +79,6 @@ The following options can be used to customize the behavior of lf:
     globsearch  boolean  (default off)
     hidden      boolean  (default off)
     ignorecase  boolean  (default on)
-    lscolors    boolean  (default on)
     preview     boolean  (default on)
     reverse     boolean  (default off)
     smartcase   boolean  (default on)

docstring.go

@@ -83,7 +83,6 @@ The following options can be used to customize the behavior of lf:
     globsearch  boolean  (default off)
     hidden      boolean  (default off)
     ignorecase  boolean  (default on)
-    lscolors    boolean  (default on)
     preview     boolean  (default on)
     reverse     boolean  (default off)
     smartcase   boolean  (default on)

eval.go

@@ -47,15 +47,6 @@ func (e *setExpr) eval(app *app, args []string) {
 		gOpts.ignorecase = false
 	case "ignorecase!":
 		gOpts.ignorecase = !gOpts.ignorecase
-	case "lscolors":
-		gOpts.lscolors = true
-		app.ui.colors = parseColors()
-	case "nolscolors":
-		gOpts.lscolors = false
-		app.ui.colors = parseColors()
-	case "lscolors!":
-		gOpts.lscolors = !gOpts.lscolors
-		app.ui.colors = parseColors()
 	case "preview":
 		gOpts.preview = true
 	case "nopreview":

opts.go

@@ -8,7 +8,6 @@ var gOpts struct {
 	globsearch bool
 	hidden     bool
 	ignorecase bool
-	lscolors   bool
 	preview    bool
 	reverse    bool
 	smartcase  bool
@@ -35,7 +34,6 @@ func init() {
 	gOpts.globsearch = false
 	gOpts.hidden = false
 	gOpts.ignorecase = true
-	gOpts.lscolors = true
 	gOpts.preview = true
 	gOpts.reverse = false
 	gOpts.smartcase = true