Delete unused dependency.

PiperOrigin-RevId: 302810875
diff --git a/iree/samples/custom_modules/dialect/BUILD b/iree/samples/custom_modules/dialect/BUILD
index ef227ce..18e7269 100644
--- a/iree/samples/custom_modules/dialect/BUILD
+++ b/iree/samples/custom_modules/dialect/BUILD
@@ -49,7 +49,6 @@
         "@llvm-project//mlir:Parser",
         "@llvm-project//mlir:Pass",
         "@llvm-project//mlir:SideEffects",
-        "@llvm-project//mlir:Support",
         "@llvm-project//mlir:Transforms",
     ],
     alwayslink = 1,
diff --git a/iree/samples/custom_modules/dialect/CMakeLists.txt b/iree/samples/custom_modules/dialect/CMakeLists.txt
index e8b41f8..61a68cc 100644
--- a/iree/samples/custom_modules/dialect/CMakeLists.txt
+++ b/iree/samples/custom_modules/dialect/CMakeLists.txt
@@ -33,7 +33,6 @@
     MLIRParser
     MLIRPass
     MLIRSideEffects
-    MLIRSupport
     MLIRTransforms
     iree::compiler::Dialect::HAL::Conversion
     iree::compiler::Dialect::HAL::IR