duplicate package removed

Author: Roopan-Microsoft

ResearchAssistant/App/requirements.txt

@@ -5,7 +5,6 @@ azure-search-documents==11.6.0b8
 azure-storage-blob==12.24.0
 python-dotenv==1.0.1
 azure-cosmos==4.9.0
-pytest-asyncio==0.25.0
 pytest-cov==6.0.0
 flake8==7.1.1
 black==24.10.0
@@ -15,5 +14,4 @@ pylint==2.17.4
 
 # Testing tools
 pytest>=8.2,<9  # Compatible version for pytest-asyncio
-pytest-asyncio==0.24.0
-pytest-cov==5.0.0
+pytest-asyncio==0.24.0