Move fbpkg() target out of OSS

Summary: This bzl file is not synced to OSS, resulting in a build error.

Reviewed By: Orvid

Differential Revision: D64727621

fbshipit-source-id: b8128077fa7c6b4a5d22b01417fec722db253614

folly/debugging/symbolizer/tool/BUCK

@@ -1,4 +1,3 @@
-load("@fbcode//fbpkg:fbpkg.bzl", "fbpkg")
 load("@fbcode_macros//build_defs:cpp_binary.bzl", "cpp_binary")
 load("@fbcode_macros//build_defs:export_files.bzl", "export_file")
 
@@ -71,14 +70,3 @@ cpp_binary(
         "//folly/experimental/symbolizer:signal_handler",
     ],
 )
-
-fbpkg.builder(
-    name = "folly.symbolizer",
-    buck_opts = fbpkg.buck_opts(
-        config = {"fbcode.platform": "centos8"},
-    ),
-    path_actions = {
-        "folly-addr2line": ":folly-addr2line",
-        "libFollySegFault.so": ":libFollySegFault.so",
-    },
-)