test(bruno): update API collections for consolidated endpoints

Add collections for Delete User, Reset User Password, and Update User
endpoints. Remove obsolete collections for individual profile update
operations. Update Update Profile collection to reflect new consolidated
API structure.

bruno/user/profile/Update Profile.yml

@@ -8,7 +8,14 @@ http:
   auth: inherit
   body:
     type: json
-    jsonBody: "{\n    \"first_name\": \"Updated\",\n    \"last_name\": \"Name\""
+    jsonBody: |-
+      {
+        "username": "updateduser",
+        "email": "updated@example.com",
+        "first_name": "Updated",
+        "last_name": "User",
+        "theme": "dracula"
+      }
 
 docs: |-
   ## Update User Profile
@@ -22,8 +29,11 @@ docs: |-
     **Authentication:** Required (Bearer token)
     
     **Request Body:**
+    - `username` (string, optional): New username (must be unique)
+    - `email` (string, optional): New email address (must be unique)
     - `first_name` (string, optional): First name
     - `last_name` (string, optional): Last name
+    - `theme` (string, optional): Theme preference
     
     **Response:**
     - `message` (string): Success message
@@ -32,3 +42,4 @@ docs: |-
     - 200: Success
     - 400: Invalid request
     - 401: Unauthorized
+    - 409: Username or email already taken