Clean up: rename Jet* to Kt*

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

@@ -181,7 +181,7 @@ abstract class KtLightClassForFacadeBase constructor(
         equals(another) ||
                 (another is KtLightClassForFacade && another.facadeClassFqName == facadeClassFqName)
 
-    override fun getElementIcon(flags: Int): Icon? = throw UnsupportedOperationException("This should be done by JetIconProvider")
+    override fun getElementIcon(flags: Int): Icon? = throw UnsupportedOperationException("This should be done by KotlinIconProvider")
 
     override fun isInheritor(baseClass: PsiClass, checkDeep: Boolean): Boolean {
         return baseClass.qualifiedName == CommonClassNames.JAVA_LANG_OBJECT

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

@@ -91,7 +91,7 @@ abstract class KtLightClassForScript(val script: KtScript) : KtLightClassBase(sc
                 (another is KtLightClassForScript && fqName == another.fqName)
 
     override fun getElementIcon(flags: Int): Icon? =
-        throw UnsupportedOperationException("This should be done by JetIconProvider")
+        throw UnsupportedOperationException("This should be done by KotlinIconProvider")
 
     override val originKind: LightClassOriginKind get() = LightClassOriginKind.SOURCE
 

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

@@ -76,7 +76,7 @@ abstract class KtLightClassForSourceDeclaration(
                 (qualifiedName != null && another is KtLightClassForSourceDeclaration && qualifiedName == another.qualifiedName)
 
     override fun getElementIcon(flags: Int): Icon? =
-        throw UnsupportedOperationException("This should be done by JetIconProvider")
+        throw UnsupportedOperationException("This should be done by KotlinIconProvider")
 
     override fun equals(other: Any?): Boolean {
         if (this === other) return true