[libgweather] locations: Remove Willow Grove and its airport

[Bastien Nocera <hadess src gnome org>]

commit d7fd43bae7e772c3e963501140236431c0a40b43
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Dec 8 17:39:47 2017 +0100

    locations: Remove Willow Grove and its airport
    
    The airport stopped being a military airport in 2011, and its weather
    station (if it still has one) stopped being reported through METAR,
    where it shows as obsolete.
    
    https://en.wikipedia.org/wiki/Naval_Air_Station_Joint_Reserve_Base_Willow_Grove

 data/Locations.xml |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/data/Locations.xml b/data/Locations.xml
index a337d8d..de2c3c5 100644
--- a/data/Locations.xml
+++ b/data/Locations.xml
@@ -44250,16 +44250,6 @@
         </city>
         <city>
           <!-- A city in Pennsylvania in the United States -->
-          <_name>Willow Grove</_name>
-          <coordinates>40.143999 -75.115729</coordinates>
-          <location>
-            <name>Willow Grove, Naval Air Station</name>
-            <code>KNXX</code>
-            <coordinates>40.193056 -75.144444</coordinates>
-          </location>
-        </city>
-        <city>
-          <!-- A city in Pennsylvania in the United States -->
           <_name msgctxt="City in Pennsylvania, United States">York</_name>
           <coordinates>39.962598 -76.727745</coordinates>
           <location>