Update requirements.txt

requirements.txt

@@ -1,5 +1,5 @@
-pip install openai==0.27.0
-pip install youtube_transcript_api==0.5.0
-pip install gradio==3.20.1
-pip install python-dotenv==1.0.0
-pip install requests==2.28.2
+openai==0.27.0
+youtube_transcript_api==0.5.0
+gradio==3.20.1
+python-dotenv==1.0.0
+requests==2.28.2