update doc

README.md

@@ -363,62 +363,6 @@ the necessary configuration file (`.ac-php-conf.json`) will be created automatic
 - `php-path-list`:  base path for *recursive* file search to collect tags
 - `ignore-ruleset`:  exclude files config, like '.gitignore'  in git as lines 
 
-for example:
-
-```
-├── dir1
-│   ├── 1.php
-│   └── dir11
-│       └── 11.php
-├── dir2
-│   └── 2.php
-└── dir3
-    ├── 3.php
-    ├── dir31
-    │   └── 31.php
-    ├── dir32
-    │   └── 32.php
-    └── dir33
-        └── 33.php
-```
-
-```json
-{
-  "filter": {
-    "php-file-ext-list": [
-      "php"
-    ],
-    "php-path-list": [
-      "."
-    ],
-    "ignore-ruleset": [
-      "# like .gitignore file ",
-      "/dir2/",
-      "dir3/**/*1.php"
-    ]
-
-  }
-}
-```
-
-filter result is:
-
-```
-├── dir1
-│   ├── 1.php
-│   └── dir11
-│       └── 11.php
-└── dir3
-    ├── 3.php
-    ├── dir32
-    │   └── 32.php
-    └── dir33
-        └── 33.php
-
-```
-
-`2.php` `31.php` will be ignored during tag generation;
-
 
 
 ### Rebuilding tags