[analysis] remove redundant diagnostic suppression

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/components/KtFe10CallResolver.kt

@@ -455,7 +455,7 @@ internal class KtFe10CallResolver(
                 )
             }
         }
-        @Suppress("UNCHECKED_CAST")
+
         return KtSimpleFunctionCall(
             partiallyAppliedSymbol,
             argumentMapping,

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/utils/ValidityAwareCachedValue.kt

@@ -20,7 +20,6 @@ internal class ValidityAwareCachedValue<T>(
 ) : ReadOnlyProperty<Any, T> {
     private val lazyValue = lazy(LazyThreadSafetyMode.PUBLICATION, init)
 
-    @Suppress("UNCHECKED_CAST")
     override fun getValue(thisRef: Any, property: KProperty<*>): T {
         token.assertIsValidAndAccessible()
         return lazyValue.value

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtFirAnalysisSessionProvider.kt

@@ -42,10 +42,7 @@ class KtFirAnalysisSessionProvider(project: Project) : CachingKtAnalysisSessionP
     override fun createAnalysisSession(
         firResolveSession: LLFirResolveSession,
         token: KtLifetimeToken,
-    ): KtAnalysisSession {
-        @Suppress("DEPRECATION")
-        return KtFirAnalysisSession.createAnalysisSessionByFirResolveSession(firResolveSession, token)
-    }
+    ): KtAnalysisSession = KtFirAnalysisSession.createAnalysisSessionByFirResolveSession(firResolveSession, token)
 }
 
 

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/utils/ValidityAwareCachedValue.kt

@@ -20,7 +20,6 @@ class ValidityAwareCachedValue<T>(
 ) : ReadOnlyProperty<Any, T> {
     private val lazyValue = lazy(LazyThreadSafetyMode.PUBLICATION, init)
 
-    @Suppress("UNCHECKED_CAST")
     override fun getValue(thisRef: Any, property: KProperty<*>): T {
         token.assertIsValidAndAccessible()
         return lazyValue.value

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/components/KtSignatureSubstitutor.kt

@@ -41,13 +41,10 @@ public abstract class KtSignatureSubstitutor : KtAnalysisSessionComponent() {
         substitutor: KtSubstitutor
     ): KtVariableLikeSignature<S>
 
-    @Suppress("UNCHECKED_CAST")
-    public open fun <S : KtCallableSymbol> substitute(symbol: S, substitutor: KtSubstitutor): KtCallableSignature<S> {
-        return when (symbol) {
-            is KtFunctionLikeSymbol -> substitute(symbol, substitutor)
-            is KtVariableLikeSymbol -> substitute(symbol, substitutor)
-            else -> unexpectedElementError("symbol", symbol)
-        }
+    public open fun <S : KtCallableSymbol> substitute(symbol: S, substitutor: KtSubstitutor): KtCallableSignature<S> = when (symbol) {
+        is KtFunctionLikeSymbol -> substitute(symbol, substitutor)
+        is KtVariableLikeSymbol -> substitute(symbol, substitutor)
+        else -> unexpectedElementError("symbol", symbol)
     }
 
     public abstract fun <S : KtFunctionLikeSymbol> substitute(symbol: S, substitutor: KtSubstitutor): KtFunctionLikeSignature<S>

analysis/analysis-internal-utils/src/org/jetbrains/kotlin/analysis/utils/collections/ConcurrentNullableMap.kt

@@ -19,7 +19,7 @@ public class ConcurrentMapBasedCache<K, V>(public val map: ConcurrentMap<K, Any>
 
 public object NullValue
 
-@Suppress("NOTHING_TO_INLINE", "UNCHECKED_CAST")
+@Suppress("UNCHECKED_CAST")
 public fun <V> Any.nullValueToNull(): V = when (this) {
     NullValue -> null
     else -> this

analysis/kt-references/src/org/jetbrains/kotlin/idea/references/KtReference.kt

@@ -54,10 +54,8 @@ abstract class AbstractKtReference<T : KtElement>(element: T) : PsiPolyVariantRe
 
     override fun toString() = this::class.java.simpleName + ": " + expression.text
 
-    @Suppress("UNUSED_PARAMETER")
     protected open fun canBeReferenceTo(candidateTarget: PsiElement): Boolean = true
 
-    @Suppress("UNUSED_PARAMETER")
     protected open fun isReferenceToImportAlias(alias: KtImportAlias): Boolean = false
 
     override fun isReferenceTo(candidateTarget: PsiElement): Boolean {

analysis/light-classes-base/src/org/jetbrains/kotlin/asJava/elements/KtLightMethodImpl.kt

@@ -152,7 +152,6 @@ abstract class KtLightMethodImpl protected constructor(
 
     override fun getBody() = null
 
-    @Suppress("DEPRECATION")
     abstract override fun findDeepestSuperMethod(): PsiMethod?
 
     abstract override fun findDeepestSuperMethods(): Array<out PsiMethod>

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/caches/FirThreadSafeCacheWithPostCompute.kt

@@ -14,7 +14,6 @@ internal class FirThreadSafeCacheWithPostCompute<K : Any, V, CONTEXT, DATA>(
 ) : FirCache<K, V, CONTEXT>() {
     private val map = ConcurrentHashMap<K, ValueWithPostCompute<K, V, DATA>>()
 
-    @Suppress("UNCHECKED_CAST")
     override fun getValue(key: K, context: CONTEXT): V =
         map.getOrPut(key) {
             ValueWithPostCompute(