MOE strip compatible_with

This is an internal-only feature that breaks the open source build.

CL created with:

    dr-replace '(compatible_with.*)' '\1  # MOE:strip_line'

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=128852873

java/google/registry/xml/BUILD

@@ -8,13 +8,11 @@ licenses(["notice"])  # Apache 2.0
 filegroup(
     name = "xml_schema_files",
     srcs = glob(["xsd/*.xsd"]),
-    compatible_with = ["//buildenv/target:appengine"],
 )
 
 java_library(
     name = "xml",
     srcs = glob(["*.java"]),
-    compatible_with = ["//buildenv/target:appengine"],
     resources = [":xml_schema_files"],
     deps = [
         "//java/com/google/common/base",