Remove panels

Author: patiencedaur

doc/overview.rst

@@ -12,57 +12,27 @@ to product data marts and smart queue services.
 
 Here are some of Tarantool's key characteristics:
 
-..  panels::
-    :container: doc-cards
-    :column: doc-card doc-card_big
-    :card: doc-card__content
-    :header: doc-card__title
-    :body: doc-card__text
-
-
-    Easy handling of OLTP workloads
-
-    ^^^
+*   **Easy handling of OLTP workloads**
 
     Processes hundreds of thousands RPS
-    
-    ---
 
-    Data integrity
-
-    ^^^
+*   **Data integrity**
 
     Write-ahead log (WAL) and data snapshots 
 
-    ---
-
-    Cooperative multitasking
+*   **Cooperative multitasking**
 
-    ^^^
-    
     Transactions are performed in lightweight coroutines with no interthread locking
 
-    ---
+*    **Advanced indexing**
 
-    Advanced indexing
-
-    ^^^
-    
     Composite indexes, locale support, indexing by nested fields and arrays
 
-    ---
-
-    Compute close to data
+*   **Compute close to data**
 
-    ^^^
-    
     Lua server and Just-In-Time compiler on board
 
-    ---
-
-    Durable distributed storage
-
-    ^^^
+*   **Durable distributed storage**
 
     Multiple failover modes and RAFT-based synchronous replication available