update tokenizer (fix wrong bos setup)

tokenizer.json

@@ -2329,69 +2329,10 @@
     ]
   },
   "post_processor": {
-    "type": "Sequence",
-    "processors": [
-      {
-        "type": "ByteLevel",
-        "add_prefix_space": true,
-        "trim_offsets": false,
-        "use_regex": true
-      },
-      {
-        "type": "TemplateProcessing",
-        "single": [
-          {
-            "SpecialToken": {
-              "id": "<|begin_of_text|>",
-              "type_id": 0
-            }
-          },
-          {
-            "Sequence": {
-              "id": "A",
-              "type_id": 0
-            }
-          }
-        ],
-        "pair": [
-          {
-            "SpecialToken": {
-              "id": "<|begin_of_text|>",
-              "type_id": 0
-            }
-          },
-          {
-            "Sequence": {
-              "id": "A",
-              "type_id": 0
-            }
-          },
-          {
-            "SpecialToken": {
-              "id": "<|begin_of_text|>",
-              "type_id": 1
-            }
-          },
-          {
-            "Sequence": {
-              "id": "B",
-              "type_id": 1
-            }
-          }
-        ],
-        "special_tokens": {
-          "<|begin_of_text|>": {
-            "id": "<|begin_of_text|>",
-            "ids": [
-              128000
-            ],
-            "tokens": [
-              "<|begin_of_text|>"
-            ]
-          }
-        }
-      }
-    ]
+    "type": "ByteLevel",
+    "add_prefix_space": true,
+    "trim_offsets": false,
+    "use_regex": true
   },
   "decoder": {
     "type": "ByteLevel",