Split plugin commands into individual files

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

cmd/flux/plugin_uninstall.go

@@ -0,0 +1,48 @@
+/*
+Copyright 2026 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/fluxcd/flux2/v2/internal/plugin"
+)
+
+var pluginUninstallCmd = &cobra.Command{
+	Use:     "uninstall <name>",
+	Aliases: []string{"delete"},
+	Short:   "Uninstall a plugin",
+	Long:    `The plugin uninstall command removes a plugin binary and its receipt from the plugin directory.`,
+	Args:    cobra.ExactArgs(1),
+	RunE:    pluginUninstallCmdRun,
+}
+
+func init() {
+	pluginCmd.AddCommand(pluginUninstallCmd)
+}
+
+func pluginUninstallCmdRun(cmd *cobra.Command, args []string) error {
+	name := args[0]
+	pluginDir := pluginHandler.PluginDir()
+
+	if err := plugin.Uninstall(pluginDir, name); err != nil {
+		return err
+	}
+
+	logger.Successf("uninstalled %s", name)
+	return nil
+}