remove double div

Author: 0xlukem

develop/toolkit/integrations/wallets.md

@@ -16,8 +16,6 @@ Wallet types fall into two categories based on their connection to the internet:
 - **[Cold wallets](#cold-wallets)**: Offline storage using hardware devices or air-gapped systems.
 - **[Wallet Tools](#wallet-tools)**: Libraries and SDKs for integrating wallet functionality into dApps.
 
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 ## Hot Wallets
 
 <div class="grid cards" markdown>
@@ -70,9 +68,6 @@ Wallet types fall into two categories based on their connection to the internet:
 
 </div>
 
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-</div>
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 ## Wallet Tools
 
 <div class="grid cards" markdown>
@@ -85,5 +80,4 @@ Wallet types fall into two categories based on their connection to the internet:
 
     [:octicons-arrow-right-24: Reference](https://www.lunolab.xyz/){target=\_blank}
 
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-</div>
+</div>