4.0 | Wiki: remove references to "zend_ca_path'

... which is specific to the `Zend.Debug.CodeAnalyzer` sniff, which is removed in PHPCS 4.0.

The only remaining reference is specifically about that sniff and is annotated as "PHPCS < 4.0.0".

Author: jrfnl

wiki/Annotated-Ruleset.md

@@ -49,9 +49,9 @@ The following sample file documents the `ruleset.xml` format and shows you the c
     such as show_warnings and report_format.
     
     The following tag is equivalent to the command line argument:
-    --runtime-set zend_ca_path /path/to/ZendCodeAnalyzer
+    --runtime-set php_version 80100
  -->
- <config name="zend_ca_path" value="/path/to/ZendCodeAnalyzer"/>
+ <config name="php_version" value="80100"/>
 
 <!--
     If no files or directories are specified on the command line
@@ -453,10 +453,10 @@ The following sample file shows a `ruleset.xml` file that makes use of selective
 <ruleset name="Selective Standard">
 
  <!--
-    Use an external tool only when checking coding standards
+    Use the php_version setting only when checking coding standards
     and not while fixing a file.
  -->
- <config phpcs-only="true" name="zend_ca_path" value="/path/to/ZendCodeAnalyzer"/>
+ <config phpcs-only="true" name="php_version" value="70400"/>
 
  <!--
     Exclude some files from being fixed.

wiki/Configuration-Options.md

@@ -301,7 +301,7 @@ $ phpcs --config-set jsl_path /path/to/jsl
 
 ## Zend Coding Standard Configuration Options
 
-### Setting the path to the Zend Code Analyzer
+### Setting the path to the Zend Code Analyzer (PHP_CodeSniffer < 4.0.0)
 
 The `Zend.Debug.CodeAnalyzer` sniff will check each file using the Zend Code Analyzer, a tool that comes with Zend Studio. Use the `zend_ca_path` configuration option to tell the Zend Code Analyzer sniff where to find the tool.