Makes empty.emb actually empty.
This removes the Google license header from empty.emb*, which are empty
files intended to exercise an edge case in front_end/format.py.
diff --git a/testdata/format/empty.emb b/testdata/format/empty.emb
index 2c31d84..e69de29 100644
--- a/testdata/format/empty.emb
+++ b/testdata/format/empty.emb
@@ -1,14 +0,0 @@
-# Copyright 2019 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
diff --git a/testdata/format/empty.emb.formatted b/testdata/format/empty.emb.formatted
index 086a24e..e69de29 100644
--- a/testdata/format/empty.emb.formatted
+++ b/testdata/format/empty.emb.formatted
@@ -1,13 +0,0 @@
-# Copyright 2019 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/testdata/format/empty.emb.formatted_indent_4 b/testdata/format/empty.emb.formatted_indent_4
index 086a24e..e69de29 100644
--- a/testdata/format/empty.emb.formatted_indent_4
+++ b/testdata/format/empty.emb.formatted_indent_4
@@ -1,13 +0,0 @@
-# Copyright 2019 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
