Convert tycho-buildtimestamp-jgit invoker tests to tycho-its

Co-authored-by: laeubi <1331477+laeubi@users.noreply.github.com>

Author: Copilot

tycho-buildtimestamp-jgit/pom.xml

@@ -36,12 +36,6 @@
 			<artifactId>org.eclipse.jgit</artifactId>
 			<version>${jgit-version}</version>
 		</dependency>
-
-		<dependency>
-			<groupId>org.codehaus.plexus</groupId>
-			<artifactId>plexus-archiver</artifactId>
-			<scope>test</scope>
-		</dependency>
 	</dependencies>
 
 	<build>
@@ -57,21 +51,4 @@
 		</plugins>
 	</build>
 
-	<profiles>
-		<profile>
-			<id>its</id>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-invoker-plugin</artifactId>
-						<configuration>
-							<addTestClassPath>true</addTestClassPath>
-						</configuration>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
-	</profiles>
-
 </project>