auto remove trailing whitespaces

Signed-off-by: coredns[bot] <bot@bot.coredns.io>

man/coredns-geoip.7

@@ -79,7 +79,7 @@ A limited set of fields will be exported as labels, all values are stored using
 .RS
 .TS
 allbox;
-l l l l 
+l l l l
 l l l l .
 \fBLabel\fP\fB	Type\fP\fB	Example\fP\fB	Description\fP
 \fB\fCgeoip/city/name\fR	\fB\fCstring\fR	\fB\fCCambridge\fR	Then city name in English language.
@@ -102,7 +102,7 @@ l l l l .
 .RS
 .TS
 allbox;
-l l 
+l l
 l l .
 \fBValue\fP\fB	Continent (EN)\fP
 AF	Africa

plugin/geoip/README.md

@@ -25,7 +25,7 @@ if getLongitude := metadata.ValueFunc(ctx, "geoip/longitude"); getLongitude != n
 ```
 
 ## Databases
-The supported databases use city schema such as `City` and `Enterprise`. Other databases types with different schemas are not supported yet. 
+The supported databases use city schema such as `City` and `Enterprise`. Other databases types with different schemas are not supported yet.
 
 You can download a [free and public City database](https://dev.maxmind.com/geoip/geolite2-free-geolocation-data).
 

plugin/trace/README.md

@@ -98,7 +98,7 @@ trace tracinghost:9411 {
 The trace plugin will publish the following metadata, if the *metadata*
 plugin is also enabled:
 
-* `trace/traceid`: identifier of (zipkin/datadog) trace of processed request 
+* `trace/traceid`: identifier of (zipkin/datadog) trace of processed request
 
 ## See Also