[Elastic Agent] Remove deprecated --kibana-url. (#25529)

* Remove deprecated --kibana-url.

* Add changelog.

(cherry picked from commit 48d7ba1)

x-pack/elastic-agent/CHANGELOG.next.asciidoc

@@ -10,6 +10,7 @@
 - Docker container is not run as root by default. {pull}21213[21213]
 - Read Fleet connection information from `fleet.*` instead of `fleet.kibana.*`. {pull}24713[24713]
 - Beats build for 32Bit Windows or Linux system will refuse to run on a 64bit system. {pull}25186[25186]
+- Remove the `--kibana-url` from `install` and `enroll` command. {pull}25529[25529]
 
 ==== Bugfixes
 - Fix rename *ConfigChange to *PolicyChange to align on changes in the UI. {pull}20779[20779]

x-pack/elastic-agent/pkg/agent/cmd/enroll.go

@@ -50,7 +50,6 @@ func newEnrollCommandWithArgs(_ []string, streams *cli.IOStreams) *cobra.Command
 
 func addEnrollFlags(cmd *cobra.Command) {
 	cmd.Flags().StringP("url", "", "", "URL to enroll Agent into Fleet")
-	cmd.Flags().StringP("kibana-url", "k", "", "URL of Fleet-Server to enroll Agent into Fleet-Server (deprecated)")
 	cmd.Flags().StringP("enrollment-token", "t", "", "Enrollment token to use to enroll Agent into Fleet")
 	cmd.Flags().StringP("fleet-server-es", "", "", "Start and run a Fleet Server along side this Elastic Agent connecting to the provided elasticsearch")
 	cmd.Flags().StringP("fleet-server-es-ca", "", "", "Path to certificate authority to use with communicate with elasticsearch")
@@ -71,9 +70,6 @@ func buildEnrollmentFlags(cmd *cobra.Command, url string, token string) []string
 	if url == "" {
 		url, _ = cmd.Flags().GetString("url")
 	}
-	if url == "" {
-		url, _ = cmd.Flags().GetString("kibana-url")
-	}
 	if token == "" {
 		token, _ = cmd.Flags().GetString("enrollment-token")
 	}
@@ -212,9 +208,6 @@ func enroll(streams *cli.IOStreams, cmd *cobra.Command, args []string) error {
 
 	insecure, _ := cmd.Flags().GetBool("insecure")
 	url, _ := cmd.Flags().GetString("url")
-	if url == "" {
-		url, _ = cmd.Flags().GetString("kibana-url")
-	}
 	enrollmentToken, _ := cmd.Flags().GetString("enrollment-token")
 	fServer, _ := cmd.Flags().GetString("fleet-server-es")
 	fElasticSearchCA, _ := cmd.Flags().GetString("fleet-server-es-ca")

x-pack/elastic-agent/pkg/agent/cmd/install.go

@@ -94,9 +94,6 @@ func installCmd(streams *cli.IOStreams, cmd *cobra.Command, args []string) error
 	enroll := true
 	askEnroll := true
 	url, _ := cmd.Flags().GetString("url")
-	if url == "" {
-		url, _ = cmd.Flags().GetString("kibana-url")
-	}
 	token, _ := cmd.Flags().GetString("enrollment-token")
 	if url != "" && token != "" {
 		askEnroll = false