Shift file names back to sms77 and remove redirects, but keep other sms77 > seven changes

docs/_redirects

@@ -1,6 +1,3 @@
-/integrations/builtin/app-nodes/n8n-nodes-base.sms77/   /integrations/builtin/app-nodes/n8n-nodes-base.seven/
-/integrations/builtin/credentials/sms77/    /integrations/builtin/credentials/seven/
-
 /integrations/builtin/credentials/google/googlepalm/   /integrations/builtin/credentials/google/googleai/
 
 /n8n-nodes-langchain.openaiassistant.md/   /n8n-nodes-langchain.openai/

docs/integrations/builtin/app-nodes/n8n-nodes-base.sms77.md

@@ -11,7 +11,7 @@ Use the seven node to automate work in seven, and integrate seven with other app
 On this page, you'll find a list of operations the seven node supports and links to more resources.
 
 /// note | Credentials
-Refer to [seven credentials](/integrations/builtin/credentials/seven/) for guidance on setting up authentication. 
+Refer to [seven credentials](/integrations/builtin/credentials/sms77/) for guidance on setting up authentication. 
 ///
 /// note | Examples and templates
 For usage examples and templates to help you get started, take a look at n8n's [seven integrations](https://n8n.io/integrations/sms77/){:target="_blank" .external-link} list.

docs/integrations/builtin/credentials/sms77.md

@@ -8,7 +8,7 @@ contentType: integration
 
 You can use these credentials to authenticate the following nodes:
 
-- [seven](/integrations/builtin/app-nodes/n8n-nodes-base.seven/)
+- [seven](/integrations/builtin/app-nodes/n8n-nodes-base.sms77/)
 
 ## Prerequisites