SI-8977 remove duplicate decoder.properties from scalap

All .properties files in sources folder are already included in the
packed jar (see line 1028), so there is no need to add it again.

Author: gourlaysama

build.xml

@@ -848,8 +848,7 @@ TODO:
     -->
 
     <path id="pack.reflect.files">    <fileset dir="${build-quick.dir}/classes/reflect"/> </path>
-    <path id="pack.scalap.files">     <fileset dir="${build-quick.dir}/classes/scalap"/>
-                                      <fileset file="${src.dir}/scalap/decoder.properties"/> </path>
+    <path id="pack.scalap.files">     <fileset dir="${build-quick.dir}/classes/scalap"/>  </path>
 
     <path id="pack.partest-extras.files"> <fileset dir="${build-quick.dir}/classes/partest-extras"/> </path>
     <path id="pack.partest-javaagent.files"> <fileset dir="${build-quick.dir}/classes/partest-javaagent"/> </path>