[FIX] accounting_localization: use relative paths in csv-table's option

The `file` option for the `csv-table` directive expects relative file
paths rather than absolute file paths since Sphinx 4. Since this was the
only usage of the `ODOO_ABSPATH` placeholder, it is removed with this
commit.

Task - 2898477

closes odoo/documentation#2455

Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>

conf.py

@@ -91,7 +91,6 @@ else:
         sys.version_info = (3, 7, 0)
     odoo_dir = odoo_sources_dirs[0].resolve()
     source_read_replace_vals['ODOO_RELPATH'] = '/../' + str(odoo_sources_dirs[0])
-    source_read_replace_vals['ODOO_ABSPATH'] = str(odoo_dir)
     sys.path.insert(0, str(odoo_dir))
     import odoo.addons
     odoo.addons.__path__.append(str(odoo_dir) + '/addons')

content/developer/howtos/accounting_localization.rst

@@ -180,7 +180,7 @@ It works with the prefix *start*/*end*, so every account where the code starts w
 
   .. csv-table::
      :condition: odoo_dir_in_path
-     :file: {ODOO_ABSPATH}/addons/l10n_il/data/account.group.template.csv
+     :file: {ODOO_RELPATH}/addons/l10n_il/data/account.group.template.csv
      :widths: 20,20,20,20,20
      :header-rows: 1