chore(apis): unpublish deprecated /v1/inference apis (#3297)

# What does this PR do?

unpublish (make unavailable to users) the following apis -
 - `/v1/inference/completion`, replaced by `/v1/openai/v1/completions`
- `/v1/inference/chat-completion`, replaced by
`/v1/openai/v1/chat/completions`
 - `/v1/inference/embeddings`, replaced by `/v1/openai/v1/embeddings`
 - `/v1/inference/batch-completion`, replaced by `/v1/openai/v1/batches`
- `/v1/inference/batch-chat-completion`, replaced by
`/v1/openai/v1/batches`

note: the implementations are still available for internal use, e.g.
agents uses chat-completion.

tests/integration/recordings/responses/65c12de0a1db.json

@@ -0,0 +1,60 @@
+{
+  "request": {
+    "method": "POST",
+    "url": "http://0.0.0.0:11434/v1/v1/chat/completions",
+    "headers": {},
+    "body": {
+      "model": "llama3.2:3b-instruct-fp16",
+      "messages": [
+        {
+          "role": "system",
+          "content": "Pretend you are a weather assistant."
+        },
+        {
+          "role": "user",
+          "content": "What's the weather like in San Francisco, CA?"
+        }
+      ],
+      "stream": false
+    },
+    "endpoint": "/v1/chat/completions",
+    "model": "llama3.2:3b-instruct-fp16"
+  },
+  "response": {
+    "body": {
+      "__type__": "openai.types.chat.chat_completion.ChatCompletion",
+      "__data__": {
+        "id": "chatcmpl-123",
+        "choices": [
+          {
+            "finish_reason": "stop",
+            "index": 0,
+            "logprobs": null,
+            "message": {
+              "content": "Hello! As of my knowledge cutoff on December 15th, I have the latest information for you. However, please note that my data may not be entirely up-to-date.\n\nCurrently, and based on historical climate patterns, it appears to be a partly cloudy day with mild temperatures in San Francisco, CA. Expect a temperature range of around 48\u00b0F (9\u00b0C) to 54\u00b0F (12\u00b0C). It's likely to be a breezy day, with winds blowing at about 13 mph (21 km/h).\n\nHowever, if I were to look into more recent weather patterns or forecasts, I would recommend checking the latest conditions directly from reliable sources such as the National Weather Service or local news outlets for more accurate and up-to-date information.\n\nPlease let me know how I can further assist you.",
+              "refusal": null,
+              "role": "assistant",
+              "annotations": null,
+              "audio": null,
+              "function_call": null,
+              "tool_calls": null
+            }
+          }
+        ],
+        "created": 1758978071,
+        "model": "llama3.2:3b-instruct-fp16",
+        "object": "chat.completion",
+        "service_tier": null,
+        "system_fingerprint": "fp_ollama",
+        "usage": {
+          "completion_tokens": 163,
+          "prompt_tokens": 45,
+          "total_tokens": 208,
+          "completion_tokens_details": null,
+          "prompt_tokens_details": null
+        }
+      }
+    },
+    "is_streaming": false
+  }
+}