Changes after review

- Replace leaking ModuleResolverTracker with use of ModuleDescriptor.Capabilies
- Provide API for retrieving ResolverForProject from ResolutionFacade
- Update names

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/descriptors/FirModuleDescriptor.kt

@@ -17,7 +17,6 @@ import org.jetbrains.kotlin.fir.resolve.firSymbolProvider
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.platform.TargetPlatform
-import org.jetbrains.kotlin.resolve.AnchorProvider
 
 class FirModuleDescriptor(val session: FirSession) : ModuleDescriptor {
     override val builtIns: KotlinBuiltIns
@@ -58,9 +57,6 @@ class FirModuleDescriptor(val session: FirSession) : ModuleDescriptor {
 
     }
 
-    override val anchorProvider: AnchorProvider
-        get() = AnchorProvider.Default
-
     override fun getOriginal(): DeclarationDescriptor {
         return this
     }