Enable auto experimental with captureChecking

Author: nicolasstucki

Diff for: compiler/src/dotty/tools/dotc/config/Feature.scala

@@ -37,7 +37,7 @@ object Feature:
   def experimentalAutoEnableFeatures(using Context): List[TermName] =
     defn.languageExperimentalFeatures
       .map(sym => experimental(sym.name))
-      .filterNot(_ == captureChecking) // TODO is this correct?
+      // .filterNot(_ == captureChecking) // TODO is this correct?
 
   val globalOnlyImports: Set[TermName] = Set(pureFunctions, captureChecking)
 

Diff for: compiler/src/dotty/tools/dotc/typer/Checking.scala

@@ -828,7 +828,7 @@ object Checking {
         val name = Feature.experimental(sel.name)
         name == Feature.scala2macros
         // || name == Feature.erasedDefinitions
-        || name == Feature.captureChecking
+        // || name == Feature.captureChecking
 
       languageImport(qual) match
         case Some(nme.experimental)