Remove nonfunctional NC option

Fixes #28

Author: lukasbestle

README.md

@@ -170,10 +170,10 @@ The configuration depends on your used web server:
 Add the following lines to your Kirby `.htaccess` file, directly after the `RewriteBase` rule.
 
 ```
-RewriteCond %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI}/index.html -f [NC]
+RewriteCond %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI}/index.html -f
 RewriteRule ^(.*) %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI}/index.html [END]
 
-RewriteCond %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI} -f [NC]
+RewriteCond %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI} -f
 RewriteRule ^(.*) %{DOCUMENT_ROOT}/site/cache/%{SERVER_NAME}/pages/%{REQUEST_URI} [END]
 ```