[FIR] get rid of FirFileAnnotationsContainer

This element has been introduced to simplify resolution logic in LL FIR,
but now this element is redundant and only complicates the code as after
KT-56683 `FirFile` has real phases

^KT-65876 Fixed

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirAbstractBodyResolveTransformerDispatcher.kt

@@ -457,15 +457,6 @@ abstract class FirAbstractBodyResolveTransformerDispatcher(
         FirDeclarationsResolveTransformer::transformDanglingModifierList,
     )
 
-    override fun transformFileAnnotationsContainer(
-        fileAnnotationsContainer: FirFileAnnotationsContainer,
-        data: ResolutionMode,
-    ): FirFileAnnotationsContainer = declarationTransformation(
-        fileAnnotationsContainer,
-        data,
-        FirDeclarationsResolveTransformer::transformFileAnnotationsContainer,
-    )
-
     override fun transformProperty(
         property: FirProperty,
         data: ResolutionMode,

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt

@@ -125,16 +125,6 @@ open class FirDeclarationsResolveTransformer(
         return danglingModifierList
     }
 
-    override fun transformFileAnnotationsContainer(
-        fileAnnotationsContainer: FirFileAnnotationsContainer,
-        data: ResolutionMode
-    ): FirFileAnnotationsContainer {
-        if (implicitTypeOnly) return fileAnnotationsContainer
-
-        fileAnnotationsContainer.transformAnnotations(transformer, data)
-        return fileAnnotationsContainer
-    }
-
     override fun transformProperty(property: FirProperty, data: ResolutionMode): FirProperty = whileAnalysing(session, property) {
         require(property !is FirSyntheticProperty) { "Synthetic properties should not be processed by body transformers" }
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/contracts/FirAbstractContractResolveTransformerDispatcher.kt

@@ -6,7 +6,6 @@
 package org.jetbrains.kotlin.fir.resolve.transformers.contracts
 
 import org.jetbrains.kotlin.KtFakeSourceElementKind
-import org.jetbrains.kotlin.fir.FirFileAnnotationsContainer
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.contracts.FirLegacyRawContractDescription
 import org.jetbrains.kotlin.fir.contracts.FirRawContractDescription
@@ -327,13 +326,6 @@ abstract class FirAbstractContractResolveTransformerDispatcher(
             return danglingModifierList
         }
 
-        override fun transformFileAnnotationsContainer(
-            fileAnnotationsContainer: FirFileAnnotationsContainer,
-            data: ResolutionMode
-        ): FirFileAnnotationsContainer {
-            return fileAnnotationsContainer
-        }
-
         override fun transformErrorPrimaryConstructor(
             errorPrimaryConstructor: FirErrorPrimaryConstructor,
             data: ResolutionMode,