Get rid of run.jvmargs from project.properties.
Get rid of run.jvmargs from project.properties.

This is defaulted to "" in the build file, and having it here stops per-config args working

Change-Id: I3ce7d6a6abbf781f92d7a99962dea40ad331b161
Reviewed-on: http://gerrit.dmdirc.com/2371
Reviewed-by: Greg Holmes <79e2475f81a6317276bf7cbb3958b20d289b78df@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

greboid/DMDirc,csmith/DMDirc,csmith/DMDirc,greboid/DMDirc,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,greboid/DMDirc,ShaneMcC/DMDirc-Client,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,csmith/DMDirc,greboid/DMDirc,ShaneMcC/DMDirc-Client,DMDirc/DMDirc,DMDirc/DMDirc,csmith/DMDirc