[mlir] Fix -Wunused-function in ShardingInterface.cpp (NFC)

llvm-project/mlir/lib/Dialect/Mesh/Interfaces/ShardingInterface.cpp:522:1:
error: unused function 'isValueCompatibleWithFullReplicationSharding' [-Werror,-Wunused-function]
isValueCompatibleWithFullReplicationSharding(Value value,
^
1 error generated.