Bug 1794001 - Part 5: remove the regex-ffi crate, r=xpcom-reviewers,kmag

It is no longer necessary now that `rure` bindings are in use.

Differential Revision: https://phabricator.services.mozilla.com/D158876

Author: mystor

Cargo.lock

@@ -136,15 +136,5 @@ if CONFIG["MOZ_BACKGROUNDTASKS"]:
 if CONFIG["MOZ_BUILD_APP"] == "browser":
     DIRS += ["corroborator"]
 
-if CONFIG["COMPILE_ENVIRONMENT"]:
-    CbindgenHeader(
-        "regex_ffi_generated.h",
-        inputs=["/toolkit/components/regex-ffi"],
-    )
-
-    EXPORTS.mozilla += [
-        "!regex_ffi_generated.h",
-    ]
-
 if CONFIG["MOZ_UNIFFI_FIXTURES"]:
     DIRS += ["uniffi-bindgen-gecko-js/fixtures"]

toolkit/components/moz.build

@@ -66,7 +66,6 @@ unic-langid = { version = "0.9", features = ["likelysubtags"] }
 unic-langid-ffi = { path = "../../../../intl/locale/rust/unic-langid-ffi" }
 fluent-langneg = { version = "0.13", features = ["cldr"] }
 fluent-langneg-ffi = { path = "../../../../intl/locale/rust/fluent-langneg-ffi" }
-regex-ffi = { path = "../../../components/regex-ffi" }
 rure = "0.2.2"
 rust_minidump_writer_linux = { path = "../../../crashreporter/rust_minidump_writer_linux", optional = true }
 gecko-profiler = { path = "../../../../tools/profiler/rust-api"}

toolkit/components/regex-ffi/Cargo.toml

@@ -73,7 +73,6 @@ extern crate fluent_langneg_ffi;
 extern crate fluent;
 extern crate fluent_ffi;
 
-extern crate regex_ffi;
 extern crate rure;
 
 extern crate fluent_fallback;