Revert "Revert to old implicit syntax in Bootstrap library"

This reverts commit ca438bb.

Author: odersky

library/src-3.x/scala/IArray.scala

@@ -9,7 +9,7 @@ opaque type IArray[+T] = Array[_ <: T]
 object IArray {
 
   /** Defines extension methods for immutable arrays */
-  implicit object arrayOps {
+  implied arrayOps {
 
     /** The selection operation on an immutable array.
      *

library/src-3.x/scala/internal/quoted/Matcher.scala

@@ -310,7 +310,7 @@ object Matcher {
       }
     }
 
-    implicit val _env: Env = Set.empty
+    implied for Env = Set.empty
     (scrutineeExpr.unseal =#= patternExpr.unseal).asOptionOfTuple.asInstanceOf[Option[Tup]]
   }