Get rid of some Maven warnings concerning plugins + dependencies

Duplicate dependencies, missing or mismatching versions

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

org.aspectj.ajdt.core/pom.xml

@@ -87,7 +87,6 @@
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
-       <version>2.2</version>
        <executions>
          <execution>
            <goals>

org.aspectj.matcher/pom.xml

@@ -41,7 +41,6 @@
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
-       <version>2.2</version>
        <executions>
          <execution>
            <goals>

pom.xml

@@ -94,6 +94,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.8.1</version>
 					<configuration>
 						<source>1.8</source>
 						<target>1.8</target>
@@ -123,7 +124,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>3.1.2</version>
+					<version>3.2.0</version>
 				<configuration>
 					<archive>
 						<addMavenDescriptor>false</addMavenDescriptor>

testing/pom.xml

@@ -151,7 +151,6 @@
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
-       <version>2.2</version>
        <executions>
          <execution>
            <goals>

weaver/pom.xml

@@ -24,11 +24,6 @@
       <artifactId>runtime</artifactId>
       <version>${project.version}</version>
     </dependency>
-    <dependency>
-      <groupId>org.aspectj</groupId>
-      <artifactId>util</artifactId>
-      <version>${project.version}</version>
-    </dependency>
     <dependency>
       <groupId>org.aspectj</groupId>
       <artifactId>testing-util</artifactId>
@@ -49,11 +44,6 @@
       <artifactId>org.aspectj.matcher</artifactId>
       <version>${project.version}</version>
     </dependency>
-    <dependency>
-      <groupId>org.aspectj</groupId>
-      <artifactId>runtime</artifactId>
-      <version>${project.version}</version>
-    </dependency>
     <dependency>
       <groupId>org.aspectj</groupId>
       <artifactId>org.aspectj.matcher</artifactId>