schemas: legacy: remove unused "Tachs"

Change-Id: I6d1aef17b371cfb7f5a8200954d131c539aac497
Signed-off-by: Alexander Hansen <alexander.hansen@9elements.com>
diff --git a/schemas/legacy.json b/schemas/legacy.json
index f8e3025..e9ca382 100644
--- a/schemas/legacy.json
+++ b/schemas/legacy.json
@@ -471,9 +471,6 @@
                 "SlotId": {
                     "$ref": "#/$defs/Types/SlotId"
                 },
-                "Tachs": {
-                    "$ref": "#/$defs/Types/Tachs"
-                },
                 "Thresholds": {
                     "$ref": "#/$defs/Types/Thresholds"
                 },