remove collapsed field

pkg/commands/models/file_change_interface.go

@@ -1,5 +1,6 @@
 package models
 
+// sometimes we need to deal with either a node (which contains a file) or an actual file
 type IFileChange interface {
 	GetHasUnstagedChanges() bool
 	GetHasStagedChanges() bool

pkg/commands/models/file_change_node.go

@@ -12,8 +12,7 @@ type FileChangeNode struct {
 	Children         []*FileChangeNode
 	File             *File
 	Path             string // e.g. '/path/to/mydir'
-	Collapsed        bool
-	CompressionLevel int // equal to the number of forward slashes you'll see in the path when it's rendered in tree mode
+	CompressionLevel int    // equal to the number of forward slashes you'll see in the path when it's rendered in tree mode
 }
 
 func (s *FileChangeNode) GetHasUnstagedChanges() bool {