Merge pull request swiftlang#30485 from slavapestov/silgen-cleanup-sr-75

Remove SILGen support code for curry thunks

Author: slavapestov

CHANGELOG.md

@@ -49,15 +49,15 @@ Swift Next
 
 * [SR-75][]:
 
-  Unapplied references to protocol methods methods are now supported. Previously this
+  Unapplied references to protocol methods are now supported. Previously this
   only worked for methods defined in structs, enums and classes.
 
   ```swift
   protocol Cat {
     func play(catToy: Toy)
   }
 
-  let fn = Cat.play
+  let fn = Cat.play(catToy:)
   fn(myCat)(myToy)
   ```
 

lib/SILGen/SILGen.h

@@ -245,9 +245,6 @@ class LLVM_LIBRARY_VISIBILITY SILGenModule : public ASTVisitor<SILGenModule> {
   /// Emits default argument generators for the given parameter list.
   void emitDefaultArgGenerators(SILDeclRef::Loc decl,
                                 ParameterList *paramList);
-
-  /// Emits the curry thunk between two uncurry levels of a function.
-  void emitCurryThunk(SILDeclRef thunk);
 
   /// Emits a thunk from a foreign function to the native Swift convention.
   void emitForeignToNativeThunk(SILDeclRef thunk);