feature(libraries): removed unused packer library

CHANGELOG.md

+## [1.1.0] - 2023-06-26
+### Removed
+- Packer composer library
+
 ## [1.0.2] - 2020-02-24
 ### Added
 - non unique identifier info 

composer.json

@@ -18,8 +18,7 @@
         }
     },
     "require": {
-        "php": ">=5.6",
-        "wpdesk/wpdesk-packer": "^2"
+        "php": ">=5.6"
     },
     "require-dev": {
         "10up/wp_mock": "*",