tools: improve the output of v install (#19760)

Author: ttytm

cmd/tools/vpm/install.v

@@ -69,7 +69,7 @@ fn vpm_install(requested_modules []string, opts []string) {
 		if already_installed.len > 0 {
 			verbose_println('Already installed modules: ${already_installed}')
 			if already_installed.len == modules.len {
-				verbose_println('All modules are already installed.')
+				println('All modules are already installed.')
 				exit(0)
 			}
 		}

cmd/tools/vpm/vpm.v

@@ -67,14 +67,13 @@ fn main() {
 	// args are: vpm [options] SUBCOMMAND module names
 	params := cmdline.only_non_options(os.args[1..])
 	options := cmdline.only_options(os.args[1..])
-	verbose_println('cli params: ${params}')
+	// dump(params)
 	if params.len < 1 {
 		help.print_and_exit('vpm', exit_code: 5)
 	}
 	vpm_command := params[0]
 	mut requested_modules := params[1..].clone()
 	ensure_vmodules_dir_exist()
-	// println('module names: ') println(requested_modules)
 	match vpm_command {
 		'help' {
 			help.print_and_exit('vpm')