Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

tests/resources/crypto/cert_mixed.pem

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+-----END PGP PUBLIC KEY BLOCK-----
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tests/resources/crypto/cert_pgp.pem

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+

tests/resources/crypto/cert_smime.pem

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+JqYkB7Zad06ngFl0G0FHON+7
+-----END CERTIFICATE-----

tests/resources/crypto/is_encrypted.txt

@@ -0,0 +1,211 @@
+Subject: TRUE
+Content-Type: multipart/encrypted;
+        protocol="application/pgp-encrypted";
+        boundary="17778885806d6b28_46555a54adda6fa5_d83705f326a6b951"
+
+body
+!!!
+Subject: FALSE
+Content-Type: multipart/signed;
+        protocol="application/pkcs7-signature";
+        boundary="17778885806d6b28_46555a54adda6fa5_d83705f326a6b951"
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/pkcs7-mime;
+        name="smime.p7m";
+        smime-type=enveloped-data
+Content-Disposition: attachment;
+        filename="smime.p7m"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/pkcs7-signature;
+        name="smime.p7s"; smime-type="signed-data"
+Content-Disposition: attachment;
+        filename="smime.p7s"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream;
+        name="smime.p7m"
+Content-Disposition: attachment;
+        filename="smime.p7m"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream;
+        name="smime.p7m"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream
+Content-Disposition: attachment;
+        filename="smime.p7m"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream
+Content-Disposition: attachment;
+        filename="smime.p7s"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream
+Content-Disposition: attachment;
+        filename="smime.p7c"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: TRUE
+Content-Type: application/octet-stream
+Content-Disposition: attachment;
+        filename="smime.p7z"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: FALSE
+Content-Type: application/octet-stream
+Content-Disposition: attachment;
+        filename="file.gz"
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: FALSE
+Content-Type: application/octet-stream
+Content-Disposition: attachment
+Content-Transfer-Encoding: base64
+
+body
+!!!
+Subject: FALSE
+Content-Type: multipart/mixed;
+        boundary="17778885806d6b28_46555a54adda6fa5_d83705f326a6b951"
+
+body
+!!!
+Subject: TRUE
+Content-Type: multipart/mixed; boundary="----sinikael-?=_1-17364333937490.28304631087789"
+
+------sinikael-?=_1-17364333937490.28304631087789
+Content-Type: text/plain
+Content-Transfer-Encoding: quoted-printable
+
+
+-----BEGIN PGP MESSAGE-----
+Version: Mailvelope v6.0.1
+Comment: https://mailvelope.com
+
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+=3DaQyM
+-----END PGP MESSAGE-----
+
+------sinikael-?=_1-17364333937490.28304631087789--
+!!!
+Subject: TRUE
+Content-Type: text/plain
+Content-Transfer-Encoding: quoted-printable
+
+
+
+-----BEGIN PGP MESSAGE-----
+Version: Mailvelope v6.0.1
+Comment: https://mailvelope.com
+
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+-----END PGP MESSAGE-----