Get rid of machine_gtk3 parameter.

It's ancient leftover from the time when gtk3 support was being
initially introduced and build machines were not attached to jenkins
even.
It's a pity that such leftovers end up copied in "new" code like
chromium support so time to be done with it for good.

Change-Id: Ia74592aa35f3390cff866eb07d8f022c9eeecd93
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.swt.browser.chromium.gtk.linux.x86_64/pom.xml b/bundles/org.eclipse.swt.browser.chromium.gtk.linux.x86_64/pom.xml
index 4a27c61..479b424 100644
--- a/bundles/org.eclipse.swt.browser.chromium.gtk.linux.x86_64/pom.xml
+++ b/bundles/org.eclipse.swt.browser.chromium.gtk.linux.x86_64/pom.xml
@@ -91,7 +91,6 @@
                 <phase>process-resources</phase>
                 <configuration>
                   <target>
-                    <property name="machine_gtk3" value="1"/>
                     <ant antfile="build.xml" target="build_chromium"/>
                   </target>
                   <skip>${skipRust}</skip>
@@ -105,7 +104,6 @@
                 <phase>process-resources</phase>
                 <configuration>
                   <target>
-                    <property name="machine_gtk3" value="1"/>
                     <property name="targets" value="chromium_install" />
                     <ant antfile="build.xml" target="build_libraries"/>
                   </target>
diff --git a/bundles/org.eclipse.swt.gtk.linux.ppc64le/pom.xml b/bundles/org.eclipse.swt.gtk.linux.ppc64le/pom.xml
index da9afdd..67dcd22 100644
--- a/bundles/org.eclipse.swt.gtk.linux.ppc64le/pom.xml
+++ b/bundles/org.eclipse.swt.gtk.linux.ppc64le/pom.xml
@@ -75,7 +75,6 @@
                 <phase>process-resources</phase>
                 <configuration>
                   <target>
-                    <property name="machine_gtk3" value="1"/>
                     <property name="targets" value="install" />
                     <ant antfile="build.xml" target="build_libraries"/>
                   </target>
diff --git a/bundles/org.eclipse.swt.gtk.linux.x86_64/pom.xml b/bundles/org.eclipse.swt.gtk.linux.x86_64/pom.xml
index 94519ef..bb1aff8 100644
--- a/bundles/org.eclipse.swt.gtk.linux.x86_64/pom.xml
+++ b/bundles/org.eclipse.swt.gtk.linux.x86_64/pom.xml
@@ -75,7 +75,6 @@
                 <phase>process-resources</phase>
                 <configuration>
                   <target>
-                    <property name="machine_gtk3" value="1"/>
                     <property name="targets" value="install" />
                     <ant antfile="build.xml" target="build_libraries"/>
                   </target>
diff --git a/bundles/org.eclipse.swt.gtk.win32.x86_64/pom.xml b/bundles/org.eclipse.swt.gtk.win32.x86_64/pom.xml
index 4d6d0a3..f738a09 100644
--- a/bundles/org.eclipse.swt.gtk.win32.x86_64/pom.xml
+++ b/bundles/org.eclipse.swt.gtk.win32.x86_64/pom.xml
@@ -75,7 +75,6 @@
                 <phase>process-resources</phase>
                 <configuration>
                   <target>
-                    <property name="machine_gtk3" value="1"/>
                     <property name="targets" value="install" />
                     <ant antfile="build.xml" target="build_libraries"/>
                   </target>