Remove unclaimed 'warnings' package from requirements.txt (security fix) (#1000)

applying the mitigation with reference to T240242782

end-to-end-use-cases/NotebookLlama/requirements.txt

@@ -10,6 +10,3 @@ tqdm>=4.66.0
 # Optional but recommended
 jupyter>=1.0.0
 ipykernel>=6.0.0
-
-# Warning handling
-warnings>=0.1.0

end-to-end-use-cases/blog_generator/blog_metadata/mdfiles_latest.txt

@@ -4319,8 +4319,6 @@ tqdm>=4.66.0
 jupyter>=1.0.0
 ipykernel>=6.0.0
 
-# Warning handling
-warnings>=0.1.0
 
 
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