Remove scroll-to-bottom ArrowDown button

vibn-frontend/components/vibn-chat/chat-panel.tsx

@@ -2127,34 +2127,7 @@ export function ChatPanel({
 
 
 
-        {/* Scroll to bottom button */}
-        {showScrollButton && (
-          <button
-            onClick={scrollToBottom}
-            style={{
-              position: "absolute",
-              bottom: "calc(100% + 12px)",
-              left: "50%",
-              transform: "translateX(-50%)",
-              background: "#ffffff",
-              border: "1px solid #e4e4e7",
-              boxShadow: "0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)",
-              borderRadius: "50%",
-              width: 32,
-              height: 32,
-              display: "flex",
-              alignItems: "center",
-              justifyContent: "center",
-              cursor: "pointer",
-              zIndex: 50,
-              color: "#52525b",
-              transition: "all 0.2s ease",
-            }}
-            aria-label="Scroll to bottom"
-          >
-            <ArrowDown size={16} />
-          </button>
-        )}
+
 
         <ProjectPreviewChatInputWrap unifiedShell={unifiedProjectShell}>
           {(selectToggle) => (