openssl_certificate: fix state=absent (#54298)

* Fix state=absent.

* Add changelog.

changelogs/fragments/54298-openssl_certificate-remove.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- "openssl_certificate - fix ``state=absent``."

lib/ansible/modules/crypto/openssl_certificate.py

@@ -691,6 +691,18 @@ class Certificate(crypto_utils.OpenSSLObject):
 
         return True
 
+    def dump(self, check_mode=False):
+        # Use only for absent
+
+        result = {
+            'changed': self.changed,
+            'filename': self.path,
+            'privatekey': self.privatekey_path,
+            'csr': self.csr_path
+        }
+
+        return result
+
 
 class SelfSignedCertificateCryptography(Certificate):
     """Generate the self-signed certificate, using the cryptography backend"""
@@ -1841,6 +1853,11 @@ def main():
         add_file_common_args=True,
     )
 
+    if module.params['state'] == 'absent':
+        # backend doesn't matter
+        certificate = Certificate(module, 'cryptography')
+
+    else:
         if module.params['provider'] != 'assertonly' and module.params['csr_path'] is None:
             module.fail_json(msg='csr_path is required when provider is not assertonly')