Fix yamllint errors: trailing spaces, blank lines and newline at end of file

Allow aligned values after a colon (the bedroom lamp presets).

common/common_dev.yaml

@@ -28,4 +28,4 @@ time:
   - <<: !include time/homeassistant.yaml
 
 network:
-  enable_ipv6: true
+  enable_ipv6: true

common/common_esp8266.yaml

@@ -27,4 +27,4 @@ time:
   - <<: !include time/homeassistant.yaml
 
 network:
-  enable_ipv6: true
+  enable_ipv6: true

common/sensor/uptime.yaml

@@ -7,4 +7,3 @@ accuracy_decimals: 2
 update_interval: 60s
 filters:
   - lambda: return x / 86400;
-

common/text_sensor/git_ref.yaml

@@ -5,4 +5,4 @@ id: git_ref_sensor
 long: true
 all: true
 abbrev: 16
-dirty: "-dirty"
+dirty: "-dirty"

common/wifi_dev.yaml

@@ -7,4 +7,4 @@ wifi:
 #  enable_rrm: true
   ap:
     ssid: TEST
-    password: testtest
+    password: testtest