Dropped unused methods

compiler/frontend/src/org/jetbrains/kotlin/psi/psiUtil/jetPsiUtil.kt

@@ -255,22 +255,6 @@ public fun JetElement.getQualifiedElementSelector(): JetElement? {
     }
 }
 
-/**
- * Returns outermost qualified element ([[JetQualifiedExpression]] or [[JetUserType]]) in the non-interleaving chain
- * of qualified elements which enclose given expression
- * If there is no such elements original expression is returned
- */
-public fun JetSimpleNameExpression.getOutermostNonInterleavingQualifiedElement(): JetElement {
-    var element = ((getParent() as? JetCallExpression) ?: this).getParent()
-    if (element !is JetQualifiedExpression && element !is JetUserType) return this
-
-    while (true) {
-        val parent = element!!.getParent()
-        if (parent !is JetQualifiedExpression && parent !is JetUserType) return element as JetElement
-        element = parent
-    }
-}
-
 public fun PsiDirectory.getPackage(): PsiPackage? = JavaDirectoryService.getInstance()!!.getPackage(this)
 
 public fun JetModifierListOwner.isPrivate(): Boolean = hasModifier(JetTokens.PRIVATE_KEYWORD)

compiler/frontend/src/org/jetbrains/kotlin/psi/psiUtil/psiUtils.kt

@@ -16,7 +16,6 @@
 
 package org.jetbrains.kotlin.psi.psiUtil
 
-import com.intellij.lang.ASTNode
 import com.intellij.openapi.util.TextRange
 import com.intellij.psi.*
 import com.intellij.psi.search.PsiSearchScopeUtil
@@ -39,22 +38,11 @@ public fun PsiElement.siblings(forward: Boolean = true, withItself: Boolean = tr
     return if (withItself) sequence else sequence.drop(1)
 }
 
-public fun ASTNode.siblings(forward: Boolean = true, withItself: Boolean = true): Sequence<ASTNode> {
-    val stepFun = if (forward) { node: ASTNode -> node.getTreeNext() } else { e: ASTNode -> e.getTreeNext() }
-    val sequence = sequence(this, stepFun)
-    return if (withItself) sequence else sequence.drop(1)
-}
-
 public fun PsiElement.parents(withItself: Boolean = true): Sequence<PsiElement> {
     val sequence = sequence(this) { if (it is PsiFile) null else it.getParent() }
     return if (withItself) sequence else sequence.drop(1)
 }
 
-public fun ASTNode.parents(withItself: Boolean = true): Sequence<ASTNode> {
-    val sequence = sequence(this) { it.getTreeParent() }
-    return if (withItself) sequence else sequence.drop(1)
-}
-
 public fun PsiElement.prevLeaf(skipEmptyElements: Boolean = false): PsiElement?
         = PsiTreeUtil.prevLeaf(this, skipEmptyElements)