fixed RETURN docs for modules (#24011)

* fixed RETURN docs for remaining modules

* updated proxymysql_mysql_users 'sample' to yaml dict

* fixed whitespace errors

lib/ansible/modules/crypto/openssl_csr.py

@@ -141,23 +141,17 @@ EXAMPLES = '''
 RETURN = '''
 csr:
     description: Path to the generated Certificate Signing Request
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: /etc/ssl/csr/www.ansible.com.csr
 subject:
     description: A dictionnary of the subject attached to the CSR
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: list
     sample: {'CN': 'www.ansible.com', 'O': 'Ansible'}
 subjectAltName:
     description: The alternative names this CSR is valid for
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: 'DNS:www.ansible.com,DNS:m.ansible.com'
 '''

lib/ansible/modules/crypto/openssl_privatekey.py

@@ -88,23 +88,17 @@ EXAMPLES = '''
 RETURN = '''
 size:
     description: Size (in bits) of the TLS/SSL private key
-    returned:
-        - changed
-        - success
-    type: integer
+    returned: changed or success
+    type: int
     sample: 4096
 type:
     description: Algorithm used to generate the TLS/SSL private key
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: RSA
 filename:
     description: Path to the generated TLS/SSL private key file
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: /etc/ssl/private/ansible.com.pem
 '''

lib/ansible/modules/crypto/openssl_publickey.py

@@ -78,16 +78,12 @@ EXAMPLES = '''
 RETURN = '''
 privatekey:
     description: Path to the TLS/SSL private key the public key was generated from
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: /etc/ssl/private/ansible.com.pem
 filename:
     description: Path to the generated TLS/SSL public key file
-    returned:
-        - changed
-        - success
+    returned: changed or success
     type: string
     sample: /etc/ssl/public/ansible.com.pem
 '''