Remove legacyKeepAvailableCodecInfosWithoutCodec

It's no longer used.

PiperOrigin-RevId: 373426109

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java

@@ -1451,9 +1451,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
     }
 
     if (codec == null) {
-      if (!legacyKeepAvailableCodecInfosWithoutCodec()) {
-        availableCodecInfos = null;
-      }
+      availableCodecInfos = null;
       maybeInitCodecOrBypass();
       return null;
     }
@@ -1543,14 +1541,6 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
   }
 
   /**
-   * Returns whether to keep available codec infos when the codec hasn't been initialized, which is
-   * the behavior before a bug fix. See also [Internal: b/162837741].
-   */
-  protected boolean legacyKeepAvailableCodecInfosWithoutCodec() {
-    return false;
-  }
-
-  /**
    * Called when one of the output formats changes.
    *
    * <p>The default implementation is a no-op.