Apply clang-tidy fixes for modernize-use-equals-default in TestLinalgDropUnitDims.cpp (NFC)

Author: joker-eph

mlir/test/lib/Dialect/Linalg/TestLinalgDropUnitDims.cpp

@@ -34,8 +34,7 @@ struct TestLinalgDropUnitDims
   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestLinalgDropUnitDims)
 
   TestLinalgDropUnitDims() = default;
-  TestLinalgDropUnitDims(const TestLinalgDropUnitDims &pass)
-      : PassWrapper(pass) {}
+  TestLinalgDropUnitDims(const TestLinalgDropUnitDims &pass) = default;
 
   void getDependentDialects(DialectRegistry &registry) const override {
     registry.insert<linalg::LinalgDialect>();