Remove code snippet allowing creating full-text index on multiple fie…

…lds (#1840)

### What problem does this PR solve?


### Type of change

- [x] Documentation Update

docs/references/pysdk_api_reference.md

@@ -808,7 +808,7 @@ table_object.create_index(
 
 #### Create a full-text index
 
-```python {12}
+```python
 from infinity.index import IndexInfo, IndexType
 # Create a table named "test_index_fulltext" with a varchar column "body"
 table_object = db_object.create_table("test_index_fulltext", {"body": {"type": "varchar"}}, None)
@@ -824,7 +824,7 @@ table_object.create_index(
 )
 ```
 
-```python {13}
+```python
 from infinity.index import IndexInfo, IndexType
 # Create a table named "test_index_fulltext" with a varchar column "body"
 table_object = db_object.create_table("test_index_fulltext", {"body": {"type": "varchar"}}, None)
@@ -843,25 +843,6 @@ table_object.create_index(
 )
 ```
 
-```python {11-13}
-from infinity.index import IndexInfo, IndexType
-# In the following code snippet, you will see an index built on three columns
-# IMPORTANT: For now, multi-column index works with full-text index ONLY. 
-# Create a table named "test_index_fulltext" with three varchar columns "doctitle", "docdate", and "body"
-table_object = db_object.create_table("test_index_fulltext", {"doctitle": {"type": "varchar"}, "docdate": {"type": "varchar"}, "body": {"type": "varchar"}}, None)
-# Create a full-text index named "my_index" on three columns "doctitle", "docdate", and "body" with default parameter settings:
-# - "ANALYZER": "standard"
-table_object.create_index(
-    "my_index",
-    [
-        IndexInfo("doctitle", IndexType.FullText),
-        IndexInfo("docdate", IndexType.FullText),
-        IndexInfo("body", IndexType.FullText),
-    ],
-    None
-)
-```
-
 #### Create a secondary index
 
 ```python {11}