[console] remove rubyDeprecated (#5162)

Author: xavierpinho

console/src/main/scala/io/joern/console/cpgcreation/ImportCode.scala

@@ -65,28 +65,10 @@ class ImportCode[T <: Project](console: io.joern.console.Console[T])(implicit
   def csharp: Frontend          = new BinaryFrontend("csharp", Languages.CSHARP, "C# Source Frontend (Roslyn)")
   def llvm: Frontend            = new BinaryFrontend("llvm", Languages.LLVM, "LLVM Bitcode Frontend")
   def php: SourceBasedFrontend  = new SourceBasedFrontend("php", Languages.PHP, "PHP source frontend", "php")
-  def ruby: SourceBasedFrontend = new RubyFrontend("Ruby source frontend", false)
-  def rubyDeprecated: SourceBasedFrontend = new RubyFrontend("Ruby source deprecated frontend", true)
+  def ruby: SourceBasedFrontend = SourceBasedFrontend("ruby", Languages.RUBYSRC, "Ruby source frontend", "rb")
 
   private def allFrontends: List[Frontend] =
-    List(
-      c,
-      cpp,
-      ghidra,
-      kotlin,
-      java,
-      jvm,
-      javascript,
-      jssrc,
-      swiftsrc,
-      golang,
-      llvm,
-      php,
-      python,
-      csharp,
-      ruby,
-      rubyDeprecated
-    )
+    List(c, cpp, ghidra, kotlin, java, jvm, javascript, jssrc, swiftsrc, golang, llvm, php, python, csharp, ruby)
 
   // this is only abstract to force people adding frontends to make a decision whether the frontend consumes binaries or source
   abstract class Frontend(val name: String, val language: String, val description: String = "")(implicit
@@ -140,30 +122,6 @@ class ImportCode[T <: Project](console: io.joern.console.Console[T])(implicit
     }
   }
 
-  /** Only a wrapper so as to more easily pick the deprecated variant without having to provide the
-    * `--useDeprecatedFrontend` flag each time.
-    *
-    * @param useDeprecatedFrontend
-    *   If set, will invoke the frontend with the `--useDeprecatedFrontend` flag
-    */
-  private class RubyFrontend(description: String, useDeprecatedFrontend: Boolean = false)
-      extends SourceBasedFrontend("ruby", Languages.RUBYSRC, description, "rb") {
-    private val deprecatedFlag = "--useDeprecatedFrontend"
-
-    private def addDeprecatedFlagIfNeeded(args: List[String]): List[String] = {
-      Option.when(useDeprecatedFrontend && !args.contains(deprecatedFlag))(deprecatedFlag).toList ++ args
-    }
-
-    override def cpgGeneratorForLanguage(
-      language: String,
-      config: FrontendConfig,
-      rootPath: Path,
-      args: List[String]
-    ): Option[CpgGenerator] = {
-      super.cpgGeneratorForLanguage(language, config, rootPath, addDeprecatedFlagIfNeeded(args))
-    }
-  }
-
   class SwiftSrcFrontend(name: String, language: String, description: String, extension: String)
       extends SourceBasedFrontend(name, language, description, extension) {
     override def apply(inputPath: String, projectName: String, args: List[String]): Cpg = {