bazel: remove redandant reference to SkSLVMCodeGenerator.h.

SkSLVMCodeGenerator.h is already referenced in the private_hdrs
filegroup so removing from core_srcs.

Bug: skia:12541
Change-Id: Idc2e52f1c31df551ec86b8aec765cb1a41347e22
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/565836
Reviewed-by: Kevin Lubick <kjlubick@google.com>
diff --git a/src/sksl/codegen/BUILD.bazel b/src/sksl/codegen/BUILD.bazel
index fb881ae..e94e9a1 100644
--- a/src/sksl/codegen/BUILD.bazel
+++ b/src/sksl/codegen/BUILD.bazel
@@ -8,7 +8,6 @@
     name = "core_srcs",
     srcs = [
         "SkSLVMCodeGenerator.cpp",
-        "SkSLVMCodeGenerator.h",
     ],
 )