runtime(termdebug): Remove load guard

closes: #18098

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/pack/dist/opt/termdebug/plugin/termdebug.vim

@@ -4,7 +4,7 @@ vim9script
 
 # Author: Bram Moolenaar
 # Copyright: Vim license applies, see ":help license"
-# Last Change: 2025 Jul 08
+# Last Change: 2025 Aug 24
 # Converted to Vim9: Ubaldo Tiberi <ubaldo.tiberi@gmail.com>
 
 # WORK IN PROGRESS - The basics works stable, more to come
@@ -52,14 +52,6 @@ def Echowarn(msg: string)
 enddef
 
 # Variables to keep their status among multiple instances of Termdebug
-# Avoid to source the script twice.
-if exists('g:termdebug_loaded')
-  if DEBUG
-    Echoerr('Termdebug already loaded.')
-  endif
-  finish
-endif
-g:termdebug_loaded = true
 g:termdebug_is_running = false
 
 

src/testdir/test_plugin_termdebug.vim

@@ -597,22 +597,4 @@ function Test_termdebug_config_types()
   unlet g:termdebug_config
 endfunction
 
-function Test_termdebug_config_debug()
-  let s:error_message = '\[termdebug\] Termdebug already loaded'
-
-  " USER mode: No error message shall be displayed
-  packadd termdebug
-  call assert_true(execute('messages') !~ s:error_message)
-
-  " DEBUG mode: Error message shall now be displayed
-  let g:termdebug_config = {}
-  let g:termdebug_config['debug'] = 1
-  packadd termdebug
-  call assert_true(execute('messages') =~ s:error_message)
-
-  unlet g:termdebug_config
-  unlet g:termdebug_loaded
-  " Revert DEBUG mode, by reloading the plugin
-  source $VIMRUNTIME/pack/dist/opt/termdebug/plugin/termdebug.vim
-endfunction
 " vim: shiftwidth=2 sts=2 expandtab