fix(apache-2.2.config.jinja): fix `salt-lint` errors

```bash
Examining apache/files/Debian/apache-2.2.config.jinja of type state
[201] Trailing whitespace
apache/files/Debian/apache-2.2.config.jinja:119
    MaxSpareThreads      75

[201] Trailing whitespace
apache/files/Debian/apache-2.2.config.jinja:136
    MaxSpareThreads      75
```

apache/files/Debian/apache-2.2.config.jinja

 #
 # Do NOT simply read the instructions in here without understanding
 # what they do.  They're here only as hints or reminders.  If you are unsure
-# consult the online docs. You have been warned.  
+# consult the online docs. You have been warned.
 #
 # The configuration directives are grouped into three basic sections:
 #  1. Directives that control the operation of the Apache server process as a
 
 ##
 ## Server-Pool Size Regulation (MPM specific)
-## 
+##
 
 # prefork MPM
 # StartServers: number of server processes to start
 <IfModule mpm_worker_module>
     StartServers          2
     MinSpareThreads      25
-    MaxSpareThreads      75 
+    MaxSpareThreads      75
     ThreadLimit          64
     ThreadsPerChild      25
     MaxClients          150
 <IfModule mpm_event_module>
     StartServers          2
     MinSpareThreads      25
-    MaxSpareThreads      75 
+    MaxSpareThreads      75
     ThreadLimit          64
     ThreadsPerChild      25
     MaxClients          150
 AccessFileName .htaccess
 
 #
-# The following lines prevent .htaccess and .htpasswd files from being 
-# viewed by Web clients. 
+# The following lines prevent .htaccess and .htpasswd files from being
+# viewed by Web clients.
 #
 <Files ~ "^\.ht">
     Order allow,deny