[llvm][NFC] Remove deprecated TargetFrameLowering and InstrTypes alignment functions

llvm/include/llvm/CodeGen/TargetFrameLowering.h

int alignSPAdjust(int SPAdj) const {
     }
     return SPAdj;
   }
 
   /// getTransientStackAlignment - This method returns the number of bytes to
   /// which the stack pointer must be aligned at all times, even between
   /// calls.
   ///
-  LLVM_ATTRIBUTE_DEPRECATED(unsigned getTransientStackAlignment() const,
-                            "Use getTransientStackAlign instead") {
-    return TransientStackAlignment.value();
-  }
-  /// getTransientStackAlignment - This method returns the number of bytes to
-  /// which the stack pointer must be aligned at all times, even between
-  /// calls.
-  ///
   Align getTransientStackAlign() const { return TransientStackAlignment; }
 
   /// isStackRealignable - This method returns whether the stack can be
   /// realigned.
   bool isStackRealignable() const {
     return StackRealignable;
   }
 

llvm/include/llvm/IR/InstrTypes.h

public:
 
   // FIXME: Once this API is no longer duplicated in `CallSite`, rename this to
   // better indicate that this may return a conservative answer.
   bool doesNotReadMemory(unsigned OpNo) const {
     return dataOperandHasImpliedAttr(OpNo + 1, Attribute::WriteOnly) ||
            dataOperandHasImpliedAttr(OpNo + 1, Attribute::ReadNone);
   }
 
-  LLVM_ATTRIBUTE_DEPRECATED(unsigned getRetAlignment() const,
-                            "Use getRetAlign() instead") {
-    if (const auto MA = Attrs.getRetAlignment())
-      return MA->value();
-    return 0;
-  }
-
   /// Extract the alignment of the return value.
   MaybeAlign getRetAlign() const { return Attrs.getRetAlignment(); }
 
   /// Extract the alignment for a call or parameter (0=unknown).
-  LLVM_ATTRIBUTE_DEPRECATED(unsigned getParamAlignment(unsigned ArgNo) const,
-                            "Use getParamAlign() instead") {
-    if (const auto MA = Attrs.getParamAlignment(ArgNo))
-      return MA->value();
-    return 0;
-  }
-
-  /// Extract the alignment for a call or parameter (0=unknown).
   MaybeAlign getParamAlign(unsigned ArgNo) const {
     return Attrs.getParamAlignment(ArgNo);
   }
 
   MaybeAlign getParamStackAlign(unsigned ArgNo) const {
     return Attrs.getParamStackAlignment(ArgNo);
   }