Refactor/rename refresh all DNS action

I'm moving it out of the scrap folder too because there's nothing else
in there and we do want to retain this indefinitely because it's a useful
tool for performing DNS writer migrations.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=160168902

java/google/registry/module/tools/BUILD

@@ -23,9 +23,7 @@ java_library(
         "//java/google/registry/request",
         "//java/google/registry/request:modules",
         "//java/google/registry/request/auth",
-        "//java/google/registry/security",
         "//java/google/registry/tools/server",
-        "//java/google/registry/tools/server/javascrap",
         "//java/google/registry/util",
         "@com_google_appengine_api_1_0_sdk",
         "@com_google_code_findbugs_jsr305",