Fix trailing whitespaces

Fixes salt-lint error 201.

batman_adv/exporter.sls

@@ -10,7 +10,7 @@
 
 /etc/systemd/system/prometheus-batadv-txtexport.timer:
   file.managed:
-    - source: 
+    - source:
       - salt://batman_adv/files/prometheus-batadv-txtexport.timer.{{ grains['oscodename'] }}
       - salt://batman_adv/files/prometheus-batadv-txtexport.timer
     - mode: '0644'

kernel/sysctl.sls

@@ -69,7 +69,7 @@ net.ipv4.neigh.default.gc_thresh3:
 
 net.ipv6.neigh.default.gc_thresh1:
   sysctl.present:
-    - value: 2048 
+    - value: 2048
     - config: {{ sysctld }}/neigh.conf
 
 net.ipv6.neigh.default.gc_thresh2:
@@ -92,7 +92,7 @@ net.ipv6.conf.all.forwarding:
   sysctl.present:
     - value: 1
     - config: {{ sysctld }}/forward.conf
-    
+
 # Increase the r/w-buffer-space allocatable
 
 #core
@@ -149,8 +149,8 @@ net.ipv6.conf.all.keep_addr_on_down:
   sysctl.present:
     - value: 1
     - config: {{ sysctld }}/keep_addr_on_down.conf
-    
-    
+
+
 ## IPv4 tuning
 
 #Prevent SYN attack, enable SYNcookies (they will kick-in when the max_syn_backlog reached)
@@ -216,7 +216,7 @@ net.ipv6.route.max_size:
   sysctl.present:
     - value: 8388608
     - config: {{ sysctld }}/forward.conf
-    
+
 # Accept Redirects; default = 0
 net.ipv6.conf.default.accept_redirects:
   sysctl.present:

network/domains-batman.sls

-{% set transport_interface = salt['pillar.get']('ferm:transport_interface', 'ens14') %} 
+{% set transport_interface = salt['pillar.get']('ferm:transport_interface', 'ens14') %}
 /etc/network/interfaces.d/{{ transport_interface }}:
   file.managed:
     - source: salt://network/files/transport_interface.j2

nginx/vhosts.sls

@@ -7,7 +7,7 @@
 
 /etc/nginx/sites-available/{{ name }}.conf:
   file.managed:
-    - source: 
+    - source:
 {%- if cert_exists %}
       - salt://nginx/files/sites/{{ name }}.conf.j2
       - salt://nginx/files/sites/default-https.conf.j2