Revert changes to buf plugin update

private/buf/cmd/buf/command/plugin/pluginupdate/pluginupdate.go

@@ -18,13 +18,11 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"sort"
 
 	"github.com/bufbuild/buf/private/buf/bufcli"
 	"github.com/bufbuild/buf/private/bufpkg/bufplugin"
 	"github.com/bufbuild/buf/private/pkg/app/appcmd"
 	"github.com/bufbuild/buf/private/pkg/app/appext"
-	"github.com/bufbuild/buf/private/pkg/slicesext"
 	"github.com/bufbuild/buf/private/pkg/syserror"
 	"github.com/spf13/pflag"
 )
@@ -133,31 +131,6 @@ func run(
 	if err != nil {
 		return err
 	}
-	// We do not prune the buf.lock during update, we only add update existing plugin keys
-	// or add new plugin keys.
-	configuredRemotePluginKeyNameToPluginKey := map[string]bufplugin.PluginKey{}
-	for _, configuredRemotePluginKey := range configuredRemotePluginKeys {
-		configuredRemotePluginKeyNameToPluginKey[configuredRemotePluginKey.FullName().String()] = configuredRemotePluginKey
-	}
-	var updatedRemotePluginKeys []bufplugin.PluginKey
-	for _, existingRemotePluginKey := range existingRemotePluginKeys {
-		if updatedRemotePluginKey, ok := configuredRemotePluginKeyNameToPluginKey[existingRemotePluginKey.FullName().String()]; ok {
-			updatedRemotePluginKeys = append(updatedRemotePluginKeys, updatedRemotePluginKey)
-			// This was found and updated, so we can delete from the map
-			delete(configuredRemotePluginKeyNameToPluginKey, existingRemotePluginKey.FullName().String())
-		} else {
-			// Otherwise, keep the existing remote plugin key from buf.lock
-			updatedRemotePluginKeys = append(updatedRemotePluginKeys, existingRemotePluginKey)
-		}
-	}
-	// Add any new configured remote plugin keys
-	updatedRemotePluginKeys = append(updatedRemotePluginKeys, slicesext.MapValuesToSlice(configuredRemotePluginKeyNameToPluginKey)...)
-	sort.Slice(
-		updatedRemotePluginKeys,
-		func(i int, j int) bool {
-			return updatedRemotePluginKeys[i].FullName().String() < updatedRemotePluginKeys[j].FullName().String()
-		},
-	)
 
 	// We're about to edit the buf.lock file on disk. If we have a subsequent error,
 	// attempt to revert the buf.lock file.
@@ -171,7 +144,7 @@ func run(
 		}
 	}()
 	// Edit the buf.lock file with the updated remote plugins.
-	if err := workspaceDepManager.UpdateBufLockFile(ctx, existingDepModuleKeys, updatedRemotePluginKeys); err != nil {
+	if err := workspaceDepManager.UpdateBufLockFile(ctx, existingDepModuleKeys, configuredRemotePluginKeys); err != nil {
 		return err
 	}
 	return nil