Revert "Fix bazel build (#73741)"

This reverts commit 4b8964d.

Author: akuegel

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

@@ -588,24 +588,6 @@ mlir_c_api_cc_library(
     ],
 )
 
-mlir_c_api_cc_library(
-    name = "CAPITarget",
-    srcs = ["lib/CAPI/Target/LLVMIR.cpp"],
-    hdrs = ["include/mlir-c/Target/LLVMIR.h"],
-    capi_deps = [
-        ":CAPIIR",
-    ],
-    includes = ["include"],
-    deps = [
-        ":LLVMToLLVMIRTranslation",
-        ":Support",
-        ":ToLLVMIRTranslation",
-        ":ToLLVMIRTranslationRegistration",
-        "//llvm:Core",
-        "//llvm:Support",
-    ],
-)
-
 mlir_c_api_cc_library(
     name = "CAPIGPU",
     srcs = [