general: remove junk files

Change-Id: Ia7ca1aafe682b44baab3aa60e3b09ddba6c1c281
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/8405
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
diff --git a/genpkgtests.go b/genpkgtests.go
deleted file mode 100644
index 676bc32..0000000
--- a/genpkgtests.go
+++ /dev/null
@@ -1,82 +0,0 @@
-// +build ignore
-
-package main
-
-import (
-	"fmt"
-	"go/ast"
-	"go/parser"
-	"go/token"
-	"io/ioutil"
-	"os"
-
-	"strconv"
-
-	"github.com/rogpeppe/go-internal/txtar"
-)
-
-func main() {
-	fset := token.NewFileSet()
-	f, err := parser.ParseFile(fset, "./cue/builtin_test.go", nil, 0)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	m := map[string]*txtar.Archive{}
-	count := map[string]int{}
-
-	ast.Inspect(f, func(n ast.Node) bool {
-		call, ok := n.(*ast.CallExpr)
-		if !ok {
-			return true
-		}
-		ident, ok := call.Fun.(*ast.Ident)
-		if !ok || ident.Name != "test" {
-			return true
-		}
-
-		str := call.Args[0].(*ast.BasicLit)
-		pkg, _ := strconv.Unquote(str.Value)
-		a := &txtar.Archive{
-			Comment: []byte(
-				"# generated from the original tests.\n# Henceforth it may be nicer to group tests into separate files."),
-			Files: []txtar.File{{Name: "in.cue"}},
-		}
-		m[pkg] = a
-		return false
-	})
-
-	ast.Inspect(f, func(n ast.Node) bool {
-		call, ok := n.(*ast.CallExpr)
-		if !ok {
-			return true
-		}
-		ident, ok := call.Fun.(*ast.Ident)
-		if !ok || ident.Name != "test" {
-			return true
-		}
-
-		str := call.Args[0].(*ast.BasicLit)
-		pkg, _ := strconv.Unquote(str.Value)
-		str = call.Args[1].(*ast.BasicLit)
-		expr, err := strconv.Unquote(str.Value)
-		if err != nil {
-			panic(err)
-		}
-
-		a := m[pkg]
-		count[pkg]++
-
-		a.Files[0].Data = append(a.Files[0].Data,
-			fmt.Sprintf("t%d: %s\n", count[pkg], expr)...)
-
-		return false
-	})
-
-	for key, a := range m {
-		os.Mkdir(fmt.Sprintf("pkg/%s/testdata", key), 0755)
-		p := fmt.Sprintf("pkg/%s/testdata/gen.txtar", key)
-		ioutil.WriteFile(p, txtar.Format(a), 0644)
-	}
-}
diff --git a/tmp.cue b/tmp.cue
deleted file mode 100644
index e69de29..0000000
--- a/tmp.cue
+++ /dev/null