fix: single Gemma 4 model entry with Ollama model name

Author: RomneyDa

gui/src/pages/AddNewModel/configs/models.ts

@@ -2438,39 +2438,17 @@ export const models: { [key: string]: ModelPackage } = {
     },
     isOpenSource: true,
   },
-  gemma4_e4b: {
-    title: "Gemma 4 E4B",
+  gemma4: {
+    title: "Gemma 4",
     description:
-      "Gemma 4 E4B is a lightweight multimodal model from Google, supporting text, image, and tool use with 128k context.",
+      "Gemma 4 is a multimodal open model from Google, supporting text, image, tool use, and up to 128k context.",
     params: {
-      title: "Gemma 4 E4B",
-      model: "gemma-4-e4b-it",
+      title: "Gemma 4",
+      model: "gemma4",
       contextLength: 128_000,
     },
     isOpenSource: true,
   },
-  gemma4_27b: {
-    title: "Gemma 4 26B MoE",
-    description:
-      "Gemma 4 26B is a Mixture-of-Experts multimodal model from Google with 4B active parameters, supporting text, image, and tool use with 256k context.",
-    params: {
-      title: "Gemma 4 26B MoE",
-      model: "gemma-4-26b-a4b-it",
-      contextLength: 256_000,
-    },
-    isOpenSource: true,
-  },
-  gemma4_31b: {
-    title: "Gemma 4 31B",
-    description:
-      "Gemma 4 31B is the most capable dense multimodal model from Google, supporting text, image, and tool use with 256k context.",
-    params: {
-      title: "Gemma 4 31B",
-      model: "gemma-4-31b-it",
-      contextLength: 256_000,
-    },
-    isOpenSource: true,
-  },
   phi3mini: {
     title: "Microsoft Phi 3 mini",
     description: