desugar: Drop stale Note [Matching seqId]

The need for this note vanished in eae703aa.

desugar: Drop stale Note [Matching seqId]
The need for this note vanished in eae703aa.
b018678a · Ben Gamari · Ben Gamari · 06640394 · b018678a
Commit b018678a authored Nov 09, 2019 by Ben Gamari 🐢 Committed by Ben Gamari Nov 11, 2019
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compiler/deSugar/DsBinds.hs compiler/deSugar/DsBinds.hs +0 -6

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--- a/compiler/deSugar/DsBinds.hs
+++ b/compiler/deSugar/DsBinds.hs
@@ -1073,12 +1073,6 @@ simplOptExpr occurrence-analyses and simplifies the LHS:
       otherwise we don't match when given an argument like
          augment (\a. h a a) (build h)
-Note [Matching seqId]
-~~~~~~~~~~~~~~~~~~~
-The desugarer turns (seq e r) into (case e of _ -> r), via a special-case hack
-and this code turns it back into an application of seq!
-See Note [Rules for seq] in MkId for the details.
 Note [Unused spec binders]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
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