ast: clean up ast.StructInit (#18387)

vlib/v/ast/ast.v

@@ -437,18 +437,6 @@ pub mut:
 	parent_type   Type
 }
 
-pub struct StructInitEmbed {
-pub:
-	pos           token.Pos
-	comments      []Comment
-	next_comments []Comment
-pub mut:
-	expr          Expr
-	name          string
-	typ           Type
-	expected_type Type
-}
-
 // `s := Foo{
 //    ...a
 //    field1: 'hello'
@@ -473,7 +461,6 @@ pub mut:
 	is_update_embed      bool
 	has_update_expr      bool // has `...a`
 	fields               []StructInitField
-	embeds               []StructInitEmbed
 	generic_types        []Type
 }
 

vlib/v/markused/walker.v

@@ -418,9 +418,6 @@ fn (mut w Walker) expr(node_ ast.Expr) {
 			for sif in node.fields {
 				w.expr(sif.expr)
 			}
-			for sie in node.embeds {
-				w.expr(sie.expr)
-			}
 		}
 		ast.TypeOf {
 			w.expr(node.expr)

vlib/v/transformer/transformer.v

@@ -662,9 +662,6 @@ pub fn (mut t Transformer) expr(mut node ast.Expr) ast.Expr {
 			for mut field in node.fields {
 				field.expr = t.expr(mut field.expr)
 			}
-			for mut embed in node.embeds {
-				embed.expr = t.expr(mut embed.expr)
-			}
 		}
 		ast.UnsafeExpr {
 			node.expr = t.expr(mut node.expr)