[SYCL][NFC] Remove unused code (#2135)

Signed-off-by: Elizabeth Andrews <[email protected]>

Author: elizabethandrews

clang/lib/Sema/SemaSYCL.cpp

@@ -1031,9 +1031,6 @@ class SyclKernelFieldHandler {
   virtual bool handleReferenceType(FieldDecl *, QualType) { return true; }
   virtual bool handlePointerType(FieldDecl *, QualType) { return true; }
   virtual bool handleArrayType(FieldDecl *, QualType) { return true; }
-  virtual bool handleScalarType(const CXXBaseSpecifier &, QualType) {
-    return true;
-  }
   virtual bool handleScalarType(FieldDecl *, QualType) { return true; }
   // Most handlers shouldn't be handling this, just the field checker.
   virtual bool handleOtherType(FieldDecl *, QualType) { return true; }
@@ -1349,7 +1346,6 @@ class SyclKernelDeclCreator : public SyclKernelFieldHandler {
     return ArrayRef<ParmVarDecl *>(std::begin(Params) + LastParamIndex,
                                    std::end(Params));
   }
-  using SyclKernelFieldHandler::handleScalarType;
   using SyclKernelFieldHandler::handleSyclHalfType;
   using SyclKernelFieldHandler::handleSyclSamplerType;
 };
@@ -1756,7 +1752,6 @@ class SyclKernelBodyCreator : public SyclKernelFieldHandler {
   using SyclKernelFieldHandler::enterArray;
   using SyclKernelFieldHandler::enterField;
   using SyclKernelFieldHandler::enterStruct;
-  using SyclKernelFieldHandler::handleScalarType;
   using SyclKernelFieldHandler::handleSyclHalfType;
   using SyclKernelFieldHandler::handleSyclSamplerType;
   using SyclKernelFieldHandler::leaveField;
@@ -1909,7 +1904,6 @@ class SyclKernelIntHeaderCreator : public SyclKernelFieldHandler {
     CurOffset -= ArraySize;
     return true;
   }
-  using SyclKernelFieldHandler::handleScalarType;
   using SyclKernelFieldHandler::handleSyclHalfType;
   using SyclKernelFieldHandler::handleSyclSamplerType;
 };