Use jffi native from Orbit

Orbit signs the native libs to get MacOS notarization succeed.
See eclipse-orbit/orbit-simrel#7 for details.

releng/org.eclipse.linuxtools.target/linuxtools-e4.29.target

@@ -5,9 +5,10 @@
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="com.github.jnr.a64asm" version="1.0.0.v20230715-0746"/>
 <unit id="com.github.jnr.x86asm" version="1.0.2.v20230715-0746"/>
+<unit id="com.github.jnr.jffi.native" version="1.3.11.v20230807-0900"/>
 <unit id="org.aopalliance" version="1.0.0.v20230720-0728"/>
-<unit id="org.apache.httpcomponents.httpcore" version="4.4.16.v20221207-1049"/>
-<unit id="org.apache.httpcomponents.httpclient" version="4.5.14.v20230516-1249"/>
+<unit id="org.apache.httpcomponents.httpcore" version="4.4.16"/>
+<unit id="org.apache.httpcomponents.httpclient" version="4.5.14"/>
 <unit id="org.codelibs.nekohtml" version="2.1.2.v20230802-0829"/>
 <unit id="org.codelibs.nekohtml.source" version="2.1.2.v20230802-0829"/>
 <repository location="https://download.eclipse.org/tools/orbit/simrel/orbit-aggregation/nightly/latest"/>
@@ -120,13 +121,6 @@
 				<type>jar</type>
 				<classifier>complete</classifier>
 			</dependency>
-			<dependency>
-				<groupId>com.github.jnr</groupId>
-				<artifactId>jffi</artifactId>
-				<version>1.3.11</version>
-				<type>jar</type>
-				<classifier>native</classifier>
-			</dependency>
 			<dependency>
 				<groupId>com.github.jnr</groupId>
 				<artifactId>jnr-constants</artifactId>