Drop Progression<T> and its deprecated properties: start, end, increment.

Drop deprecated range extensions.
Make progression constructors private.

libraries/stdlib/src/generated/_Ranges.kt

@@ -410,30 +410,6 @@ public fun LongProgression.reversed(): LongProgression {
     return LongProgression.fromClosedRange(last, first, -step)
 }
 
-/**
- * Returns a progression that goes over this range in reverse direction.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public fun CharRange.reversed(): CharProgression {
-    return CharProgression.fromClosedRange(last, first, -1)
-}
-
-/**
- * Returns a progression that goes over this range in reverse direction.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public fun IntRange.reversed(): IntProgression {
-    return IntProgression.fromClosedRange(last, first, -1)
-}
-
-/**
- * Returns a progression that goes over this range in reverse direction.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public fun LongRange.reversed(): LongProgression {
-    return LongProgression.fromClosedRange(last, first, -1L)
-}
-
 /**
  * Returns a progression that goes over the same range with the given step.
  */
@@ -458,33 +434,6 @@ public infix fun LongProgression.step(step: Long): LongProgression {
     return LongProgression.fromClosedRange(first, last, if (this.step > 0) step else -step)
 }
 
-/**
- * Returns a progression that goes over this range with given step.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public infix fun CharRange.step(step: Int): CharProgression {
-    checkStepIsPositive(step > 0, step)
-    return CharProgression.fromClosedRange(first, last, step)
-}
-
-/**
- * Returns a progression that goes over this range with given step.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public infix fun IntRange.step(step: Int): IntProgression {
-    checkStepIsPositive(step > 0, step)
-    return IntProgression.fromClosedRange(first, last, step)
-}
-
-/**
- * Returns a progression that goes over this range with given step.
- */
-@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
-public infix fun LongRange.step(step: Long): LongProgression {
-    checkStepIsPositive(step > 0, step)
-    return LongProgression.fromClosedRange(first, last, step)
-}
-
 /**
  * Returns a range from this value up to but excluding the specified [to] value.
  */

libraries/stdlib/src/kotlin/collections/Sequences.kt

@@ -27,14 +27,6 @@ public fun<T> Enumeration<T>.asSequence(): Sequence<T> = this.iterator().asSeque
  */
 public fun <T> sequenceOf(vararg elements: T): Sequence<T> = if (elements.isEmpty()) emptySequence() else elements.asSequence()
 
-/**
- * Creates a sequence that returns all values in the specified [progression].
- */
-@Deprecated("Use progression.asSequence() instead.", ReplaceWith("progression.asSequence()"))
-public fun <T : Any> sequenceOf(progression: Progression<T>): Sequence<T> = object : Sequence<T> {
-    override fun iterator(): Iterator<T> = progression.iterator()
-}
-
 /**
  * Returns an empty sequence.
  */

libraries/stdlib/src/kotlin/text/StringsDeprecated.kt

@@ -223,6 +223,7 @@ public fun String.replaceRange(firstIndex: Int, lastIndex: Int, replacement: Str
 public fun String.replaceRange(range: IntRange, replacement: String): String
         = replaceRange(range.start, range.end + 1, replacement)
 
+private val IntRange.end: Int get() = endInclusive
 
 @Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
 public fun String.removePrefix(prefix: String): String = removePrefix(prefix)