fix: remove stale runanywhere-core-rag module references from Android app

RAG was moved into the core SDK but the Android example app still
referenced the deleted module, breaking the build.

Author: Siddhesh2377

examples/android/RunAnywhereAI/app/build.gradle.kts

@@ -219,7 +219,7 @@ dependencies {
     // Pick the backends you need:
     implementation(project(":runanywhere-core-llamacpp")) // ~45MB - LLM text generation
     implementation(project(":runanywhere-core-onnx")) // ~30MB - STT, TTS, VAD
-    implementation(project(":runanywhere-core-rag")) // RAG pipeline JNI bindings
+    // RAG pipeline is now part of the core SDK (not a separate module)
 
     // AndroidX Core & Lifecycle
     implementation(libs.androidx.core.ktx)

examples/android/RunAnywhereAI/settings.gradle.kts

@@ -53,7 +53,5 @@ include(":runanywhere-core-onnx")
 project(":runanywhere-core-onnx").projectDir =
     file("../../../sdk/runanywhere-kotlin/modules/runanywhere-core-onnx")
 
-// RAG module - Retrieval-Augmented Generation adapter
-include(":runanywhere-core-rag")
-project(":runanywhere-core-rag").projectDir =
-    file("../../../sdk/runanywhere-kotlin/modules/runanywhere-core-rag")
+// RAG pipeline is now part of the core SDK (not a separate module).
+// Registration is handled by ragCreatePipeline(). See: RunAnywhere+RAG.jvmAndroid.kt