Fix suppress at statement intention for asigmnents

There's no need now to consider precedence of element as
annotation preceding the beginning of block statement
is always now attached to the whole statement

 #KT-11673 Fixed
 #KT-12780 Fixed

idea/idea-analysis/src/org/jetbrains/kotlin/idea/quickfix/KotlinSuppressIntentionAction.kt

@@ -23,7 +23,6 @@ import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
-import org.jetbrains.kotlin.idea.util.PsiPrecedences
 import org.jetbrains.kotlin.idea.util.addAnnotation
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.replaceFileAnnotationList
@@ -90,7 +89,7 @@ class KotlinSuppressIntentionAction private constructor(
 
             return
         }
-        
+
         addArgumentToSuppressAnnotation(suppressAnnotation, id)
     }
 
@@ -109,10 +108,8 @@ class KotlinSuppressIntentionAction private constructor(
         val suppressAt = caretBox.expression
         assert(suppressAt !is KtDeclaration) { "Declarations should have been checked for above" }
 
-        val parentheses = PsiPrecedences.getPrecedence(suppressAt) > PsiPrecedences.PRECEDENCE_OF_PREFIX_EXPRESSION
         val placeholderText = "PLACEHOLDER_ID"
-        val inner = if (parentheses) "($placeholderText)" else placeholderText
-        val annotatedExpression = KtPsiFactory(suppressAt).createExpression(suppressAnnotationText(id) + "\n" + inner)
+        val annotatedExpression = KtPsiFactory(suppressAt).createExpression(suppressAnnotationText(id) + "\n" + placeholderText)
 
         val copy = suppressAt.copy()!!
 
@@ -181,4 +178,4 @@ private class CaretBox<out E: KtExpression>(
         if (editor == null) return
         editor.caretModel.moveToOffset(copy.textOffset + offsetInExpression)
     }
-}
+}