remove directives not needed for compilation

Author: bishabosha

tests/neg/16463.scala

@@ -1,4 +1,4 @@
-//> using scala "3.2.1"
+//!> using scala "3.2.1"
 
 import scala.compiletime.ops.int._
 

tests/neg/i19320.scala

@@ -1,7 +1,7 @@
-//> using scala "3.3.1"
-//> using dep org.http4s::http4s-ember-client:1.0.0-M40
-//> using dep org.http4s::http4s-ember-server:1.0.0-M40
-//> using dep org.http4s::http4s-dsl:1.0.0-M40
+//!> using scala "3.3.1"
+//!> using dep org.http4s::http4s-ember-client:1.0.0-M40
+//!> using dep org.http4s::http4s-ember-server:1.0.0-M40
+//!> using dep org.http4s::http4s-dsl:1.0.0-M40
 
 //import cats.effect.*
 //import cats.implicits.*

tests/neg/i21696.check

@@ -5,9 +5,9 @@
   |---------------------------------------------------------------------------------------------------------------------
   | Explanation (enabled by `-explain`)
   |- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-  | Referencing `T` inside a quoted expression requires a `scala.quoted.Type[T]` to be in scope. 
+  | Referencing `T` inside a quoted expression requires a `scala.quoted.Type[T]` to be in scope.
   | Since Scala is subject to erasure at runtime, the type information will be missing during the execution of the code.
-  | `scala.quoted.Type[T]` is therefore needed to carry `T`'s type information into the quoted code. 
-  | Without an implicit `scala.quoted.Type[T]`, the type `T` cannot be properly referenced within the expression. 
+  | `scala.quoted.Type[T]` is therefore needed to carry `T`'s type information into the quoted code.
+  | Without an implicit `scala.quoted.Type[T]`, the type `T` cannot be properly referenced within the expression.
   | To resolve this, ensure that a `scala.quoted.Type[T]` is available, either through a context-bound or explicitly.
    ---------------------------------------------------------------------------------------------------------------------

tests/pos-custom-args/captures/i21347.scala

@@ -1,4 +1,4 @@
-//> using scala 3.6.0-RC1-bin-SNAPSHOT
+//!> using scala 3.6.0-RC1-bin-SNAPSHOT
 
 import language.experimental.captureChecking
 
@@ -8,4 +8,4 @@ def run[Cap^](f: Box[Cap]^{Cap^} => Unit): Box[Cap]^{Cap^} = ???
 
 def main() =
   val b = run(_ => ())
-  // val b = run[caps.CapSet](_ => ()) // this compiles
+  // val b = run[caps.CapSet](_ => ()) // this compiles