Refactor localization and remove CAIKnowledge entity

- Removed CAIKnowledge localization files for various languages (el_GR, en_GB, en_US, es_ES, es_MX, fa_IR, fr_FR, hr_HR, hu_HU, id_ID, it_IT, ja_JP, lt_LT, lv_LV, nb_NO, nl_NL, pl_PL, pt_BR, pt_PT, ro_RO, ru_RU, sk_SK, sl_SI, sr_RS, sv_SE, th_TH, tr_TR, uk_UA, ur_IN, vi_VN, zh_CN, zh_TW).
- Deleted related layout and metadata files for CAIKnowledge.
- Removed references to CAIKnowledge in existing metadata definitions for CDokumente, CMietinkasso, and CVmhRumungsklage.
- Updated config and state files to reflect the removal of CAIKnowledge.
- Cleaned up unused localization keys in existing JSON files.

custom/Espo/Custom/Resources/metadata/clientDefs/CAIKnowledge.json

@@ -1,30 +0,0 @@
-{
-    "controller": "controllers/record",
-    "boolFilterList": [
-        "onlyMy"
-    ],
-    "bottomPanels": {
-        "detail": [
-            {
-                "name": "stream",
-                "label": "Ereignisse",
-                "reference": "stream",
-                "stacked": false
-            }
-        ]
-    },
-    "relationshipPanels": {
-        "dokumentes": {
-            "layout": "listForAIKnowledge",
-            "selectPrimaryFilterName": null
-        },
-        "vmhRumungsklage": {
-            "layout": null,
-            "selectPrimaryFilterName": null
-        },
-        "mietinkasso": {
-            "layout": null,
-            "selectPrimaryFilterName": null
-        }
-    }
-}

custom/Espo/Custom/Resources/metadata/clientDefs/CDokumente.json

@@ -46,10 +46,6 @@
         "mietobjekt2dokumente": {
             "layout": null,
             "selectPrimaryFilterName": null
-        },
-        "aIKnowledges": {
-            "layout": null,
-            "selectPrimaryFilterName": null
         }
     },
     "kanbanViewMode": false,

custom/Espo/Custom/Resources/metadata/clientDefs/CMietinkasso.json

@@ -44,10 +44,6 @@
         "advowareAkten": {
             "layout": null,
             "selectPrimaryFilterName": null
-        },
-        "aIKnowledge": {
-            "layout": null,
-            "selectPrimaryFilterName": null
         }
     }
 }

custom/Espo/Custom/Resources/metadata/clientDefs/CVmhRumungsklage.json

@@ -72,10 +72,6 @@
         "advowareAkten": {
             "layout": null,
             "selectPrimaryFilterName": null
-        },
-        "aIKnowledge": {
-            "layout": null,
-            "selectPrimaryFilterName": null
         }
     },
     "kanbanViewMode": false,