561574: Virgo Tools do not work on Eclipse 2019-06 or later

Update tycho to 1.3 and remove permsize option
diff --git a/pom.xml b/pom.xml
index d4ac030..bf40920 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 		<pack200>"${java.home}/bin"</pack200>
 		<test.osvmargs></test.osvmargs>
 
-		<tycho-version>1.2.0</tycho-version>
+		<tycho-version>1.3.0</tycho-version>
 		<signer-version>1.1.5</signer-version>
 		<skip-source-check>true</skip-source-check>
 	</properties>
@@ -428,7 +428,7 @@
 						<useUIHarness>true</useUIHarness>
 						<useUIThread>true</useUIThread>
 						<forkedProcessTimeoutInSeconds>1800</forkedProcessTimeoutInSeconds>
-						<argLine>-Xmx1024m -XX:MaxPermSize=256m
+						<argLine>-Xmx1024m
 							-Djava.io.tmpdir=${project.build.directory} ${test.osvmargs}</argLine>
 					</configuration>
 				</plugin>