Fix obsolete text features processing parameter names.

commit_hash:01b4227e81d8862272d1a11cf86353821fbc05f9

Author: andrey-khropov

events/2020_11_18_catboost_tutorial/text_embedding_features.ipynb

@@ -907,18 +907,18 @@
     "\n",
     "```\n",
     "dictionaries = [{\n",
-    "\t'dictionaryId': 'Unigram',\n",
+    "\t'dictionary_id': 'Unigram',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '1',\n",
+    "\t'gram_order': '1',\n",
     "},{\n",
-    "\t'dictionaryId': 'Bigram',\n",
+    "\t'dictionary_id': 'Bigram',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '2',\n",
+    "\t'gram_order': '2',\n",
     "},{\n",
-    "\t'dictionaryId': 'Trigram',\n",
+    "\t'dictionary_id': 'Trigram',\n",
     "\t'token_level_type': 'Letter',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '3',\n",
+    "\t'gram_order': '3',\n",
     "}]\n",
     "```"
    ]

events/2020_odsc_west/text_features.ipynb

@@ -1846,16 +1846,16 @@
     "dictionaries = [{\n",
     "\t'dictionary_id': 'Unigram',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '1',\n",
+    "\t'gram_order': '1',\n",
     "},{\n",
     "\t'dictionary_id': 'Bigram',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '2',\n",
+    "\t'gram_order': '2',\n",
     "},{\n",
     "\t'dictionary_id': 'Trigram',\n",
     "\t'token_level_type': 'Letter',\n",
     "\t'max_dictionary_size': '50000',\n",
-    "\t'gram_count': '3',\n",
+    "\t'gram_order': '3',\n",
     "}]\n",
     "```"
    ]