Remove learning objectives fix comment

contents/core/ann_primer/ann_primer.qmd

@@ -30,8 +30,6 @@ This chapter bridges fundamental neural network concepts with real-world system
 
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-The updated objectives now include the prediction phase, processing pipeline, and real-world deployment aspects we covered in the chapter. Would you like me to refine any of these objectives further?
-
 ## Overview
 
 Neural networks, a foundational concept within machine learning and artificial intelligence, are computational models inspired by the structure and function of biological neural systems. These networks represent a critical intersection of algorithms, mathematical frameworks, and computing infrastructure, making them integral to solving complex problems in AI.
@@ -1320,7 +1318,5 @@ These slides are a valuable tool for instructors to deliver lectures and for stu
 
 To reinforce the concepts covered in this chapter, we have curated a set of exercises that challenge students to apply their knowledge and deepen their understanding.
 
-* @exr-mlp
-
-* @exr-cnn
+Coming soon.
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