[FIX] clean unused resource files

Part-of: odoo/documentation#12063
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
Signed-off-by: Samuel Lieber (sali) <sali@odoo.com>

content/applications/inventory_and_mrp/inventory/shipping_receiving/reservation_methods/before_scheduled_date.rst

@@ -48,7 +48,7 @@ scheduled date that products should be reserved if the transfers are starred (fa
    This means products are reserved two days before the scheduled delivery date for normal orders,
    and three days before the scheduled delivery date for starred (favorited) transfers.
 
-   .. image:: before_scheduled_date/before-scheduled-date- days-before.png
+   .. image:: before_scheduled_date/before-scheduled-date-days-before.png
       :align: center
       :alt: Reserve before scheduled date field with set numerical values.
 

content/applications/inventory_and_mrp/inventory/warehouses_storage/replenishment/reordering_rules.rst

@@ -469,13 +469,13 @@ the **long-term forecasted quantity**.
 
 .. example::
 
-   .. figure:: report/zero-forecast.png
+   .. figure:: reordering_rules/zero-forecast.png
       :alt: Forecast and To Order quantities is zero.
 
       Continuing the above example, when the sales order's deadline is adjusted to December 4th, the
       :guilabel:`Forecast` and :guilabel:`To Order` quantities are zero.
 
-   .. figure:: report/five-forecast.png
+   .. figure:: reordering_rules/five-forecast.png
       :alt: Show forecasted report.
 
       Opening the :guilabel:`Forecasted Report` shows the :guilabel:`Forecasted` units is `5.00`.
@@ -521,7 +521,7 @@ tariffs).
 
 Ordering separately for these sales orders totals $300 in shipping costs.
 
-.. image:: report/forecasted-date.png
+.. image:: reordering_rules/forecasted-date.png
    :alt: Show forecasted date visualization.
 
 Setting :guilabel:`Visibility Days` to `20.0` allows Odoo to "look ahead" 20 days from December 4
@@ -530,7 +530,7 @@ Setting :guilabel:`Visibility Days` to `20.0` allows Odoo to "look ahead" 20 day
 - It groups |SO| 2's order with |SO| 1, reducing shipping costs by consolidating orders.
 - |SO| 3, which is due on Dec 25, is one day late and is not grouped with the other two orders.
 
-.. image:: report/visibility-days.png
+.. image:: reordering_rules/visibility-days.png
    :alt: Visibility days visualization.
 
 Counterexample where visibility days is not triggered