Replaced some model configs for quicker CI tests for LLMs

Signed-off-by: Dhiraj Kumar Sah <dhirajku@qti.qualcomm.com>

Author: quic-dhirajku

tests/configs/causal_model_configs.json

@@ -274,19 +274,6 @@
         ]
       }
     },
-    {
-      "model_name": "hpcai-tech/grok-1",
-      "model_type": null,
-      "additional_params": {
-        "max_position_embeddings": 128,
-        "num_hidden_layers": 1,
-        "num_attention_heads": 2,
-        "hidden_size": 64,
-        "intermediate_size": 256,
-        "vocab_size": 131072,
-        "num_key_value_heads": 1
-      }
-    },
     {
       "model_name": "neuralmagic/Llama-3.2-3B-Instruct-FP8",
       "model_type": "llama",
@@ -374,20 +361,7 @@
       }
     },
     {
-      "model_name": "unsloth/gemma-2b",
-      "model_type": "gemma",
-      "additional_params": {
-        "max_position_embeddings": 128,
-        "num_hidden_layers": 1,
-        "num_attention_heads": 2,
-        "hidden_size": 64,
-        "intermediate_size": 256,
-        "vocab_size": 256000,
-        "num_key_value_heads": 1
-      }
-    },
-    {
-      "model_name": "unsloth/gemma-2-2b",
+      "model_name": "hf-internal-testing/tiny-random-Gemma2ForCausalLM",
       "model_type": "gemma2",
       "additional_params": {
         "max_position_embeddings": 128,
@@ -400,7 +374,7 @@
       }
     },
     {
-      "model_name": "ibm-granite/granite-20b-code-base",
+      "model_name": "hf-internal-testing/tiny-random-GPTBigCodeForCausalLM",
       "model_type": "gpt_bigcode",
       "additional_params": {
         "max_position_embeddings": 128,
@@ -430,7 +404,7 @@
       }
     },
     {
-      "model_name": "mistralai/Mixtral-8x7B-Instruct-v0.1",
+      "model_name": "hf-internal-testing/tiny-random-MixtralForCausalLM",
       "model_type": "mixtral",
       "additional_params": {
         "max_position_embeddings": 128,
@@ -443,7 +417,7 @@
       }
     },
     {
-      "model_name": "meta-llama/Llama-3.2-1B",
+      "model_name": "hf-internal-testing/tiny-random-LlamaForCausalLM",
       "model_type": "llama",
       "additional_params": {
         "max_position_embeddings": 128,
@@ -476,7 +450,7 @@
       }
     },
     {
-      "model_name": "ibm-granite/granite-3.1-2b-instruct",
+      "model_name": "hf-internal-testing/tiny-random-GraniteForCausalLM",
       "model_type": "granite",
       "additional_params": {
         "max_position_embeddings": 128,