chore: remove binary-compatibility-validator (BCV) from all modules (#150)

Removes the BCV plugin, all .api dump files, and the apiCheck CI step
across all 14 library modules.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: kirich1409

.github/workflows/ci.yml

@@ -56,14 +56,12 @@ jobs:
           if-no-files-found: ignore
 
   lint:
-    name: Lint & API Check
+    name: Lint
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
       - uses: ./.github/actions/setup-build-env
       - run: ./gradlew spotlessCheck
-      - name: Check public API
-        run: ./gradlew apiCheck
 
   build-ios:
     name: Build iOS

core/api/android/core.api

@@ -11,7 +11,6 @@ plugins {
     alias(libs.plugins.androidKmpLibrary)
     alias(libs.plugins.skie)
     alias(libs.plugins.kover)
-    alias(libs.plugins.bcv)
     alias(libs.plugins.mavenPublish)
     alias(libs.plugins.dokka)
 }

core/api/jvm/core.api

@@ -6,7 +6,6 @@ plugins {
     alias(libs.plugins.composeMultiplatform)
     alias(libs.plugins.composeCompiler)
     alias(libs.plugins.kover)
-    alias(libs.plugins.bcv)
     alias(libs.plugins.mavenPublish)
     alias(libs.plugins.dokka)
 }