feat(home): enable easyeffects for microphone noise cancellation

agent/BACKLOG.md

@@ -348,12 +348,6 @@ implement. Bernardo moves accepted items into a tier.*
   `ddcutil` to udev/groups, and building a UI path to control it.
 
 
-- **[usefulness] Microphone noise cancellation (`easyeffects`)**:
-  PipeWire is robust, but it lacks out-of-the-box noise reduction for
-  microphones. Adding `easyeffects` with a noise cancellation plugin (like
-  `rnnoise`) provides system-wide background noise filtering for voice calls
-  (Zoom, Teams, Discord). This is a massive quality-of-life boost for remote
-  workers that elevates the audio stack from "functioning" to "premium".
 
 - **[stability] Drive health monitoring (`smartd`)**:
   While BTRFS auto-scrub prevents silent bitrot, it doesn't warn about
@@ -362,13 +356,6 @@ implement. Bernardo moves accepted items into a tier.*
   provides early warnings when an NVMe/SSD starts throwing SMART errors, giving
   the user a critical window to back up data before the drive dies.
 
-- **[usefulness] Screen Sharing for Legacy X11 Apps (`xwaylandvideobridge`)**:
-  Native Wayland screen sharing works via PipeWire and the desktop portal,
-  but apps running via XWayland (like older Electron apps, Discord, or Slack)
-  cannot capture the Wayland desktop directly. Adding `xwaylandvideobridge`
-  invisibly routes Wayland window/screen streams into a virtual X11 window
-  that these legacy apps can read, instantly fixing the "black screen" issue
-  when sharing screens.