Remove support for < Go 1.18 in wails doctor

v2/cmd/wails/internal/commands/doctor/doctor.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"os"
 	"runtime"
+	"runtime/debug"
 	"strings"
 	"text/tabwriter"
 
@@ -154,3 +155,20 @@ func AddSubcommand(app *clir.Cli, w io.Writer) error {
 
 	return nil
 }
+
+func printBuildSettings(w *tabwriter.Writer) {
+	if buildInfo, _ := debug.ReadBuildInfo(); buildInfo != nil {
+		buildSettingToName := map[string]string{
+			"vcs.revision": "Revision",
+			"vcs.modified": "Modified",
+		}
+		for _, buildSetting := range buildInfo.Settings {
+			name := buildSettingToName[buildSetting.Key]
+			if name == "" {
+				continue
+			}
+
+			_, _ = fmt.Fprintf(w, "%s:\t%s\n", name, buildSetting.Value)
+		}
+	}
+}

v2/cmd/wails/internal/commands/doctor/doctor_go117.go

@@ -1,10 +0,0 @@
-//go:build !go1.18
-// +build !go1.18
-
-package doctor
-
-import "text/tabwriter"
-
-func printBuildSettings(_ *tabwriter.Writer) {
-	return
-}

v2/cmd/wails/internal/commands/doctor/doctor_go118.go

@@ -1,27 +0,0 @@
-//go:build go1.18
-// +build go1.18
-
-package doctor
-
-import (
-	"fmt"
-	"runtime/debug"
-	"text/tabwriter"
-)
-
-func printBuildSettings(w *tabwriter.Writer) {
-	if buildInfo, _ := debug.ReadBuildInfo(); buildInfo != nil {
-		buildSettingToName := map[string]string{
-			"vcs.revision": "Revision",
-			"vcs.modified": "Modified",
-		}
-		for _, buildSetting := range buildInfo.Settings {
-			name := buildSettingToName[buildSetting.Key]
-			if name == "" {
-				continue
-			}
-
-			fmt.Fprintf(w, "%s:\t%s\n", name, buildSetting.Value)
-		}
-	}
-}