Move Code: labels before the beginning of code

From the places where they were inserted by checkdoc.

pw-access.el

@@ -37,10 +37,10 @@
 ;; outside this module, except for using a different communication
 ;; class.
 
-(require 'eieio)
-
 ;;; Code:
 
+(require 'eieio)
+
 (defclass pw-accessor ()
   ()
   :documentation

pw-lib.el

@@ -32,11 +32,11 @@
 ;; pw-lib caches data retrieved from PipeWire and uses the cached
 ;; data.  If   The cache can be invalidated by calling `pw-lib-refresh'.
 
+;;; Code:
+
 (require 'cl-lib)
 (require 'pw-access)
 
-;;; Code:
-
 (defvar pw-lib--accessor (pw-cli-accessor))
 
 (defvar pw-lib--objects '())

pw-ui.el

@@ -31,10 +31,10 @@
 ;; `pipewire-toggle-muted' functions are also suitable to bind on the
 ;; multimedia keys.
 
-(require 'pw-lib)
-
 ;;; Code:
 
+(require 'pw-lib)
+
 (defgroup pipewire ()
   "PipeWire user interface."
   :group 'multimedia)