[Task]: Fix Docs (#70)

* Remove prior 6.9 docs

* update editable from php to twig

README.md

@@ -20,9 +20,8 @@ Editable for adding tables with configurable columns based on the output channel
 ![outputputcanneltable](doc/img/outputputcanneltable.png)
 
 Usage:
-```php
-<?php
-echo $this->outputchanneltable("tableconfig");
+```twig
+{{ pimcore_outputchanneltable('tableconfig')|raw }}
 ```
 Also see included sample areas PrintColumnAttributeTable and PrintRowAttributeTable.
 
@@ -72,26 +71,3 @@ Awesomizr.createTableOfContents({
 ```
 See example: [toc.js](https://github.com/pimcore/web2print-tools/blob/master/src/Resources/public/examples/toc.js)
 See full documentation and examples: [pdfreactor-manual](http://www.pdfreactor.com/product/doc/manual.pdf)
-
-
-## Running with Pimcore < 5.4
-With Pimcore 5.4 the location of static Pimcore files like icons has changed. In order to make this bundle work 
-with Pimcore < 5.4, please add following rewrite rule to your `.htaccess`.
-```
-    # rewrite rule for pre pimcore 5.4 core static files
-    RewriteRule ^bundles/pimcoreadmin/(.*) /pimcore/static6/$1 [PT,L]
-``` 
-
-# Migration from Pimcore 4
-- change table name from `plugin_web2print_favorite_outputdefinitions` to `bundle_web2print_favorite_outputdefinitions`
-```sql
-RENAME TABLE plugin_web2print_favorite_outputdefinitions TO bundle_web2print_favorite_outputdefinitions; 
-```
-- changed namespace from `Web2Print` to `Web2PrintToolsBundle`
-- renamed permission from `plugin_web2print_favourite_output_channels' to `web2print_web2print_favourite_output_channels`
-```sql
-UPDATE users_permission_definitions SET `key` = REPLACE(`key`, 'plugin_web2print_favourite_output_channels', 'web2print_web2print_favourite_output_channels');
-UPDATE users SET permissions = REPLACE(`permissions`, 'plugin_web2print_favourite_output_channels', 'web2print_web2print_favourite_output_channels');
-```
-- removed Custom Document Areas
-- PDFReactor controller plugin replaced by PDFreactor PDF Creation Helper