fixup: remove unused tablegen include

Author: abulavin

mlir/include/mlir/Conversion/Passes.td

@@ -10,7 +10,6 @@
 #define MLIR_CONVERSION_PASSES
 
 include "mlir/Pass/PassBase.td"
-include "mlir/Dialect/Vector/Transforms/VectorTransformsBase.td"
 
 //===----------------------------------------------------------------------===//
 // ToLLVM