chore: Remove non-existent Kotlin SDK references

Removed kotlin job from CI and kotlin paths from .prettierignore
as they reference directories that don't exist.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: ochafik

.github/workflows/ci.yml

@@ -49,24 +49,3 @@ jobs:
       - name: Test Swift SDK
         working-directory: swift
         run: swift test
-
-  kotlin:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          java-version: "21"
-          distribution: "temurin"
-
-      - name: Build Kotlin SDK
-        working-directory: kotlin
-        run: |
-          chmod +x gradlew
-          ./gradlew build
-
-      - name: Test Kotlin SDK
-        working-directory: kotlin
-        run: ./gradlew test

.prettierignore

@@ -9,8 +9,6 @@ examples/basic-server-vanillajs/**/*.tsx
 sdk/swift/.build/
 examples/basic-host-swift/.build/
 examples/basic-host-swift/build/
-examples/basic-host-kotlin/.gradle/
-examples/basic-host-kotlin/build/
 
 # Swift build artifacts
 swift/.build/