Revert "[Bazel] Fixes 16a770d (#220089)" (#220153)

Author: boomanaiden154

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

@@ -600,13 +600,6 @@ cc_library(
     features = ["-parse_headers"],
 )
 
-cc_library(
-    name = "scalar_headers",
-    hdrs = glob(["include/llvm/Transforms/Scalar/*.h"]),
-    copts = llvm_copts,
-    features = ["-parse_headers"],
-)
-
 cc_library(
     name = "BinaryFormatELF",
     srcs = [
@@ -1793,7 +1786,6 @@ cc_library(
         ":Target",
         ":TargetParser",
         ":config",
-        ":scalar_headers",
     ],
 )