Remove inlineCircuit annotation

This removes InlineHelpers.inlineCircuit. This is dangerous and confusing
as it allows a module to result in a circuit being inlined.

Signed-off-by: Schuyler Eldridge <[email protected]>

src/main/scala/chisel3/util/Inline.scala

@@ -88,33 +88,6 @@ trait FlattenInstance { self: BaseModule =>
   * inlined.
   */
 trait InlineHelpers { self: BaseModule =>
-  /* If used anywhere, this will result in every module in the design being
-   * inlined. The resulting circuit will contain only one module. */
-
-  /** This, if used anywhere, will result in the entire circuit being
-    * flattened to a single module.
-    *
-    * @example {{{
-    * /* Providing some module internals */
-    * trait Internals { this: Module =>
-    *   val io = IO(new Bundle{ val a = Input(Bool()) })
-    * }
-    * class Bar extends Module with Internals with InlineHelpers
-    * class Top extends Module with InlineHelpers {
-    *   val io = IO(new Bundle{ val a = Input(Bool()) })
-    *   val Seq(x, y, z) = Seq.fill(3)(Module(new Bar))
-    *   Seq(x, y, z).map(_.io.a := io.a)
-    *   /* All modules in the entire circuit will be inlined. Here, that is x, y,
-    *    * and z. */
-    *   inlineCircuit()
-    * }
-    * }}}
-    */
-  def inlineCircuit(): Unit = chisel3.experimental.annotate(
-    new ChiselAnnotation with RunFirrtlTransform {
-      def toFirrtl = InlineAnnotation(self.toNamed match { case ModuleName(_, c) => c } )
-      def transformClass = classOf[InlineInstances] } )
-
   /** Inline a specific instance inside a Module
     *
     * @param m the module to inline