[FIR] Move extended checkers containers to :compiler:fir:entrypoint

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/checkers/CheckersContainers.kt

@@ -5,8 +5,6 @@
 
 package org.jetbrains.kotlin.fir.checkers
 
-import org.jetbrains.kotlin.fir.analysis.checkers.declaration.ExtendedDeclarationCheckers
-import org.jetbrains.kotlin.fir.analysis.checkers.expression.ExtendedExpressionCheckers
 import org.jetbrains.kotlin.fir.session.FirSessionFactory
 
 fun FirSessionFactory.FirSessionConfigurator.registerCommonCheckers() {

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/checkers/ExtendedDeclarationCheckers.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.checkers
+
+import org.jetbrains.kotlin.fir.analysis.cfa.AbstractFirPropertyInitializationChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.cfa.FirControlFlowChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.declaration.DeclarationCheckers
+import org.jetbrains.kotlin.fir.analysis.checkers.extended.*
+
+object ExtendedDeclarationCheckers : DeclarationCheckers() {
+    override val declarationCheckers = listOf(
+        RedundantVisibilityModifierChecker,
+        RedundantReturnUnitType
+    )
+
+    override val memberDeclarationCheckers = listOf(
+        RedundantModalityModifierChecker,
+        RedundantExplicitTypeChecker,
+        RedundantSetterParameterTypeChecker
+    )
+
+    override val variableAssignmentCfaBasedCheckers: List<AbstractFirPropertyInitializationChecker> = listOf(
+        CanBeValChecker,
+    )
+
+    override val controlFlowAnalyserCheckers: List<FirControlFlowChecker> = listOf(
+        UnusedChecker
+    )
+}

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/checkers/ExtendedExpressionCheckers.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.checkers
+
+import org.jetbrains.kotlin.fir.analysis.checkers.expression.ExpressionCheckers
+import org.jetbrains.kotlin.fir.analysis.checkers.expression.FirBasicExpresionChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.expression.FirQualifiedAccessChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.expression.FirVariableAssignmentChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.extended.*
+
+object ExtendedExpressionCheckers : ExpressionCheckers() {
+    override val expressionCheckers: List<FirBasicExpresionChecker> = listOf(
+        ArrayEqualityCanBeReplacedWithEquals,
+        RedundantSingleExpressionStringTemplateChecker,
+        EmptyRangeChecker
+    )
+
+    override val variableAssignmentCheckers: List<FirVariableAssignmentChecker> = listOf(
+        CanBeReplacedWithOperatorAssignmentChecker
+    )
+
+    override val qualifiedAccessCheckers: List<FirQualifiedAccessChecker> = listOf(
+        RedundantCallOfConversionMethod
+    )
+}