Revert "[bazel] Port c3746ff" (#142791)

This reverts commit d31ace4.

That commit was a fix for c3746ff,
which was later reverted in 15dff71.

Author: rupprecht

utils/bazel/llvm-project-overlay/mlir/BUILD.bazel

@@ -8969,7 +8969,6 @@ cc_binary(
         "//mlir/test:TestMath",
         "//mlir/test:TestMathToVCIX",
         "//mlir/test:TestMemRef",
-        "//mlir/test:TestMemRefToLLVM",
         "//mlir/test:TestMesh",
         "//mlir/test:TestNVGPU",
         "//mlir/test:TestPDLL",
@@ -9031,7 +9030,6 @@ cc_binary(
         "//mlir/test:TestMath",
         "//mlir/test:TestMathToVCIX",
         "//mlir/test:TestMemRef",
-        "//mlir/test:TestMemRefToLLVM",
         "//mlir/test:TestMesh",
         "//mlir/test:TestNVGPU",
         "//mlir/test:TestPDLL",

utils/bazel/llvm-project-overlay/mlir/test/BUILD.bazel

@@ -862,22 +862,6 @@ cc_library(
     ],
 )
 
-cc_library(
-    name = "TestMemRefToLLVM",
-    srcs = glob(["lib/Conversion/MemRefToLLVM/*.cpp"]),
-    includes = ["lib/Dialect/Test"],
-    deps = [
-        "//mlir:FuncDialect",
-        "//mlir:FuncToLLVM",
-        "//mlir:IR",
-        "//mlir:LLVMCommonConversion",
-        "//mlir:LLVMDialect",
-        "//mlir:MemRefToLLVM",
-        "//mlir:MemRefTransforms",
-        "//mlir:Pass",
-    ],
-)
-
 cc_library(
     name = "TestMemRef",
     srcs = glob(["lib/Dialect/MemRef/*.cpp"]),