[DataLayout] Remove deprecated method (#101495)

The method has been deprecated for a year and a half now.

Author: s-barannikov

llvm/include/llvm/IR/DataLayout.h

@@ -534,14 +534,6 @@ class DataLayout {
     return getIntegerAlignment(BitWidth, /* abi_or_pref */ true);
   }
 
-  /// Returns the preferred stack/global alignment for the specified
-  /// type.
-  ///
-  /// This is always at least as good as the ABI alignment.
-  /// FIXME: Deprecate this function once migration to Align is over.
-  LLVM_DEPRECATED("use getPrefTypeAlign instead", "getPrefTypeAlign")
-  uint64_t getPrefTypeAlignment(Type *Ty) const;
-
   /// Returns the preferred stack/global alignment for the specified
   /// type.
   ///

llvm/lib/IR/DataLayout.cpp

@@ -865,11 +865,6 @@ Align DataLayout::getABITypeAlign(Type *Ty) const {
   return getAlignment(Ty, true);
 }
 
-/// TODO: Remove this function once the transition to Align is over.
-uint64_t DataLayout::getPrefTypeAlignment(Type *Ty) const {
-  return getPrefTypeAlign(Ty).value();
-}
-
 Align DataLayout::getPrefTypeAlign(Type *Ty) const {
   return getAlignment(Ty, false);
 }