Remove String.toSomething

Fixes #339

core/common/src/DateTimePeriod.kt

@@ -298,14 +298,9 @@ public sealed class DateTimePeriod {
 }
 
 /**
- * Parses the ISO-8601 duration representation as a [DateTimePeriod].
- *
- * See [DateTimePeriod.parse] for examples.
- *
- * @throws IllegalArgumentException if the text cannot be parsed or the boundaries of [DateTimePeriod] are exceeded.
- *
- * @see DateTimePeriod.parse
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("DateTimePeriod.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toDateTimePeriod(): DateTimePeriod = DateTimePeriod.parse(this)
 
 /**
@@ -358,16 +353,9 @@ public class DatePeriod internal constructor(
 }
 
 /**
- * Parses the ISO-8601 duration representation as a [DatePeriod].
- *
- * This function is equivalent to [DateTimePeriod.parse], but will fail if any of the time components are not
- * zero.
- *
- * @throws IllegalArgumentException if the text cannot be parsed, the boundaries of [DatePeriod] are exceeded,
- * or any time components are not zero.
- *
- * @see DateTimePeriod.parse
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("DatePeriod.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toDatePeriod(): DatePeriod = DatePeriod.parse(this)
 
 private class DateTimePeriodImpl(

core/common/src/Instant.kt

@@ -207,13 +207,9 @@ public val Instant.isDistantFuture: Boolean
     get() = this >= Instant.DISTANT_FUTURE
 
 /**
- * Converts this string representing an instant in ISO-8601 format including date and time components and
- * the time zone offset to an [Instant] value.
- *
- * See [Instant.parse] for examples of instant string representations and discussion of leap seconds.
- *
- * @throws IllegalArgumentException if the text cannot be parsed or the boundaries of [Instant] are exceeded.
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("Instant.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toInstant(): Instant = Instant.parse(this)
 
 /**

core/common/src/LocalDate.kt

@@ -192,12 +192,9 @@ public fun LocalDate.Companion.parse(input: CharSequence, format: DateTimeFormat
     format.parse(input)
 
 /**
- * Converts this string representing a date in ISO-8601 format to a [LocalDate] value.
- *
- * See [LocalDate.parse] for examples of local date string representations.
- *
- * @throws IllegalArgumentException if the text cannot be parsed or the boundaries of [LocalDate] are exceeded.
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("LocalDate.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toLocalDate(): LocalDate = LocalDate.parse(this)
 
 /**

core/common/src/LocalDateTime.kt

@@ -235,12 +235,8 @@ public fun LocalDateTime.Companion.parse(input: CharSequence, format: DateTimeFo
     format.parse(input)
 
 /**
- * Converts this string representing a date/time value in ISO-8601 format including date and time components
- * but without any time zone component to a [LocalDateTime] value.
- *
- * See [LocalDateTime.parse] for examples of date/time string representations.
- *
- * @throws IllegalArgumentException if the text cannot be parsed or the boundaries of [LocalDateTime] are exceeded.
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("LocalDateTime.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toLocalDateTime(): LocalDateTime = LocalDateTime.parse(this)
 

core/common/src/LocalTime.kt

@@ -203,12 +203,9 @@ public fun LocalTime.Companion.parse(input: CharSequence, format: DateTimeFormat
     format.parse(input)
 
 /**
- * Converts this string representing a time value in ISO-8601 format to a [LocalTime] value.
- *
- * See [LocalTime.parse] for examples of time string representations.
- *
- * @throws IllegalArgumentException if the text cannot be parsed or the boundaries of [LocalTime] are exceeded.
+ * @suppress
  */
+@Deprecated("Removed to support more idiomatic code. See https://github.com/Kotlin/kotlinx-datetime/issues/339", ReplaceWith("LocalTime.parse(this)"), DeprecationLevel.WARNING)
 public fun String.toLocalTime(): LocalTime = LocalTime.parse(this)
 
 /**