Update plugin.xml

Remove version - added automatically.

Author: eirikb

src/main/resources/META-INF/plugin.xml

@@ -1,7 +1,6 @@
 <idea-plugin>
   <id>no.eirikb.avatest</id>
   <name>AVA Test Run Configuration Generator</name>
-  <version>1.3</version>
   <vendor email="[email protected]">Eirik Brandtzæg</vendor>
 
   <idea-version since-build="173.0"/>