Refactoring: Fix unit tests

One if the LLVM 10 hot fixes was not working.

Change-Id: I1e6cab39ffd5c52f55fb83ff777f6eca457dea35
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/tools/clangrefactoringbackend/source/indexdataconsumer.h

@@ -57,22 +57,14 @@ public:
     IndexDataConsumer(const IndexDataConsumer &) = delete;
     IndexDataConsumer &operator=(const IndexDataConsumer &) = delete;
 
-#if LLVM_VERSION_MAJOR >= 10
     bool handleDeclOccurrence(
-#else
-    bool handleDeclOccurence(
-#endif
             const clang::Decl *declaration,
             clang::index::SymbolRoleSet symbolRoles,
             llvm::ArrayRef<clang::index::SymbolRelation> symbolRelations,
             clang::SourceLocation sourceLocation,
             ASTNodeInfo astNodeInfo) override;
 
-#if LLVM_VERSION_MAJOR >= 10
     bool handleMacroOccurrence(
-#else
-    bool handleMacroOccurence(
-#endif
                 const clang::IdentifierInfo *identifierInfo,
                 const clang::MacroInfo *macroInfo,
                 clang::index::SymbolRoleSet roles,