fix: remove target='_blank' from developer hub tiles on price-feeds/pro page

Co-Authored-By: Jayant <jayantkrishnamurthy@gmail.com>

Author: 2 people

apps/developer-hub/content/docs/price-feeds/pro/index.mdx

@@ -24,20 +24,17 @@ The service is delivered through standard APIs for seamless integration.
     title="Get your access token"
     description="Request authenticated access credentials for Pyth Pro."
     href="/price-feeds/pro/acquire-access-token"
-    target="_blank"
   />
   <Card
     icon={<Lightning size={12.5} />}
     title="Subscribe to prices"
     description="Configure real-time Pyth Pro price delivery."
     href="/price-feeds/pro/subscribe-to-prices"
-    target="_blank"
   />
   <Card
     icon={<CurrencyDollarSimple size={12.5} />}
     title="Pricing"
     description="Review subscription tiers and usage-based pricing details."
     href="https://www.pyth.network/pricing"
-    target="_blank"
   />
 </Cards>