Remove ScalablyTyped helper and sbt-converter dependency

ScalablyTyped causes OOM errors in scripted tests and is not used by
any consumer project. Removes With.ScalablyTyped API, the helper
class, the scripted test, and the sbt-converter plugin dependency.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: reid-spencer

README.md

@@ -178,7 +178,6 @@ addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.2")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
 addSbtPlugin("ch.epfl.scala" % "sbt-tasty-mima" % "1.2.0")
-addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta44")
 addSbtPlugin("org.jetbrains.scala" % "sbt-idea-plugin" % "5.0.4")
 ```
 * [sbt-scalafix](https://github.com/scalacenter/sbt-scalafix) - Code refactoring and linting
@@ -192,7 +191,6 @@ addSbtPlugin("org.jetbrains.scala" % "sbt-idea-plugin" % "5.0.4")
 * [sbt-platform-deps](https://github.com/portable-scala/sbt-platform-deps) - Platform-specific dependencies
 * [sbt-mima-plugin](https://github.com/lightbend-labs/mima) - Binary compatibility checking
 * [sbt-tasty-mima](https://github.com/scalacenter/tasty-mima) - TASTy compatibility checking
-* [sbt-converter](https://github.com/ScalablyTyped/Converter) - Generate Scala.js facades from TypeScript
 * [sbt-idea-plugin](https://github.com/JetBrains/sbt-idea-plugin) - IntelliJ IDEA plugin development
 
 
@@ -934,9 +932,6 @@ Module("my-lib")
   ))
 ```
 
-#### **`With.ScalablyTyped(...)`**
-Generate Scala.js facades from TypeScript definitions.
-
 #### **`With.Scalatest(...)`**
 Add ScalaTest dependencies with custom version.
 - **`version`**: ScalaTest version

build.sbt

@@ -68,5 +68,4 @@ addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
 addSbtPlugin("ch.epfl.scala" % "sbt-tasty-mima" % "1.2.0")
-addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta44")
 addSbtPlugin("org.jetbrains.scala" % "sbt-idea-plugin" % "5.0.4")

project/plugins.sbt

@@ -65,8 +65,6 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.4")
 
 addSbtPlugin("ch.epfl.scala" % "sbt-tasty-mima" % "1.2.0")
 
-addSbtPlugin("org.scalablytyped.converter" % "sbt-converter" % "1.0.0-beta44")
-
 addSbtPlugin("org.jetbrains.scala" % "sbt-idea-plugin" % "5.0.4")
 
 libraryDependencies ++= Seq(

src/main/scala/com/ossuminc/sbt/OssumIncPlugin.scala

@@ -98,9 +98,6 @@ object OssumIncPlugin extends AutoPlugin {
       /** Compile scala code as Scala 3's latest LTS release */
       def Scala3: helpers.Scala3.type = helpers.Scala3
 
-      /** Configure ScalablyTyped for TypeScript facades */
-      def ScalablyTyped: helpers.ScalablyTyped.type = helpers.ScalablyTyped
-
       /** Configure code coverage testing */
       def ScalaCoverage: helpers.ScalaCoverage.type = helpers.ScalaCoverage