skeleton: Remove extra blanks in .properties files

Remove the extra trailing blank lines in these .properties files. Before
this change, these files had their trailing blank line(s) doubled upon
skeleton generation.

Change-Id: I3936081ac98d9bb5a393bc6c363fe500a805acb8
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/182626
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
diff --git a/skeleton/skeleton.core.tests/build.properties b/skeleton/skeleton.core.tests/build.properties
index c44bf85..6f75a19 100644
--- a/skeleton/skeleton.core.tests/build.properties
+++ b/skeleton/skeleton.core.tests/build.properties
@@ -15,4 +15,3 @@
                .,\
                about.html,\
                plugin.properties
-
diff --git a/skeleton/skeleton.core.tests/plugin.properties b/skeleton/skeleton.core.tests/plugin.properties
index 94dd074..f63c93a 100644
--- a/skeleton/skeleton.core.tests/plugin.properties
+++ b/skeleton/skeleton.core.tests/plugin.properties
@@ -11,4 +11,3 @@
 
 Bundle-Vendor = Eclipse Trace Compass Incubator
 Bundle-Name = Trace Compass Incubator {%skeletonName} Core Tests Plug-in
-
diff --git a/skeleton/skeleton.core/plugin.properties b/skeleton/skeleton.core/plugin.properties
index f817561..a5e52aa 100644
--- a/skeleton/skeleton.core/plugin.properties
+++ b/skeleton/skeleton.core/plugin.properties
@@ -11,4 +11,3 @@
 
 Bundle-Vendor = Eclipse Trace Compass Incubator
 Bundle-Name = Trace Compass {%skeletonName} Core Plug-in (Incubator)
-
diff --git a/skeleton/skeleton.doc.user/build.properties b/skeleton/skeleton.doc.user/build.properties
index cc7bcac..c178dcc 100644
--- a/skeleton/skeleton.doc.user/build.properties
+++ b/skeleton/skeleton.doc.user/build.properties
@@ -16,4 +16,3 @@
                book.css,\
                doc/
 src.includes = about.html
-
diff --git a/skeleton/skeleton.feature/feature.properties b/skeleton/skeleton.feature/feature.properties
index 81f9a70..f027ea9 100644
--- a/skeleton/skeleton.feature/feature.properties
+++ b/skeleton/skeleton.feature/feature.properties
@@ -16,4 +16,3 @@
 featureProvider=Eclipse Trace Compass Incubator
 
 copyright=[Update copyright]
-