Remove all BUCK files

ReactAndroid/src/main/java/com/facebook/react/animation/BUCK

@@ -1,18 +0,0 @@
-include_defs('//ReactAndroid/DEFS')
-
-android_library(
-  name = 'animation',
-  srcs = glob(['**/*.java']),
-  deps = [
-    react_native_target('java/com/facebook/react/bridge:bridge'),
-    react_native_dep('third-party/java/infer-annotations:infer-annotations'),
-    react_native_dep('third-party/java/jsr-305:jsr-305'),
-  ],
-  visibility = [
-    'PUBLIC'
-  ],
-)
-
-project_config(
-  src_target = ':animation',
-)