Refactor plugin removal process in wp-import.php to handle non-empty directories and check for installed plugins before deactivation.

wp-import.php

@@ -28,9 +28,12 @@ try {
         exit( 1 );
 }
 
-rmdir( './wp-content/plugins/post-smtp' );
-rmdir( './wp-content/plugins/wordfence' );
-rmdir( './wp-content/plugins/wp-imgix*' );
+// Remove plugin directories (must be empty for rmdir; use recursive delete if they contain files).
+@rmdir( './wp-content/plugins/post-smtp' );
+@rmdir( './wp-content/plugins/wordfence' );
+foreach ( glob( './wp-content/plugins/wp-imgix*', GLOB_ONLYDIR ) ?: [] as $dir ) {
+        @rmdir( $dir );
+}
 
 $plugins = [
         'wp-2fa',
@@ -63,7 +66,6 @@ $plugins = [
         'wp-file-manager',
         'updraftplus',
         'wp-smushit',
-        'akismet',
         'leadin',
         'clickcease-click-fraud-protection',
         'gtm-server-side',
@@ -81,6 +83,10 @@ $plugins = [
 ];
 
 foreach ( $plugins as $plugin ) {
-        echo shell_exec( "wp plugin deactivate $plugin" );
+        $plugin_esc = escapeshellarg( $plugin );
+        exec( "wp plugin is-installed $plugin_esc 2>/dev/null", $_, $return_code );
+        if ( $return_code === 0 ) {
+                echo shell_exec( "wp plugin deactivate $plugin_esc" );
+        }
 }