kill openNSA builder

Summary:
X-link: facebook/fb303#38

As titled, kill open NSA buidler from sandcastle getdeps

Reviewed By: shri-khare

Differential Revision: D47541677

fbshipit-source-id: 4621150a8accd04a9c8bef77b3d0cdaf9b5c3d0a

build/fbcode_builder/getdeps/builder.py

@@ -1125,26 +1125,6 @@ def build(self, install_dirs, reconfigure: bool) -> None:
                 shutil.copytree(self.src_dir, self.inst_dir)
 
 
-class OpenNSABuilder(NopBuilder):
-    # OpenNSA libraries are stored with git LFS. As a result, fetcher fetches
-    # LFS pointers and not the contents. Use git-lfs to pull the real contents
-    # before copying to install dir using NoopBuilder.
-    # In future, if more builders require git-lfs, we would consider installing
-    # git-lfs as part of the sandcastle infra as against repeating similar
-    # logic for each builder that requires git-lfs.
-    def __init__(self, build_opts, ctx, manifest, src_dir, inst_dir) -> None:
-        super(OpenNSABuilder, self).__init__(
-            build_opts, ctx, manifest, src_dir, inst_dir
-        )
-
-    def build(self, install_dirs, reconfigure: bool) -> None:
-        env = self._compute_env(install_dirs)
-        self._run_cmd(["git", "lfs", "install", "--local"], cwd=self.src_dir, env=env)
-        self._run_cmd(["git", "lfs", "pull"], cwd=self.src_dir, env=env)
-
-        super(OpenNSABuilder, self).build(install_dirs, reconfigure)
-
-
 class SqliteBuilder(BuilderBase):
     def __init__(self, build_opts, ctx, manifest, src_dir, build_dir, inst_dir) -> None:
         super(SqliteBuilder, self).__init__(

build/fbcode_builder/getdeps/manifest.py

@@ -17,7 +17,6 @@
     MakeBuilder,
     NinjaBootstrap,
     NopBuilder,
-    OpenNSABuilder,
     OpenSSLBuilder,
     SqliteBuilder,
 )
@@ -581,9 +580,6 @@ def create_builder(  # noqa:C901
                 build_options, ctx, src_dir, build_dir, inst_dir, loader
             )
 
-        if builder == "OpenNSA":
-            return OpenNSABuilder(build_options, ctx, self, src_dir, inst_dir)
-
         raise KeyError("project %s has no known builder" % (self.name))
 
     def create_prepare_builders(