Simplifies pom.xml somewhat

META-INF/MANIFEST.MF

@@ -1,3 +0,0 @@
-Manifest-Version: 1.0
-Main-Class: net.knarcraft.ffmpegconverter.Main
-

manifest.mf

@@ -1,2 +0,0 @@
-Manifest-Version: 1.0
-

pom.xml

@@ -33,8 +33,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <java.version>1.8</java.version>
     </properties>
 
     <repositories>
@@ -64,37 +63,15 @@
     <build>
         <plugins>
             <plugin>
-                <!-- Build an executable JAR -->
                 <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <version>3.2.0</version>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
                 <configuration>
-                    <archive>
-                        <manifest>
-                            <addClasspath>true</addClasspath>
-                            <classpathPrefix>lib/</classpathPrefix>
-                            <mainClass>net.knarcraft.ffmpegconverter.Main</mainClass>
-                        </manifest>
-                    </archive>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
                 </configuration>
             </plugin>
         </plugins>
-        <directory>${project.basedir}/target</directory>
-        <outputDirectory>${project.build.directory}/classes</outputDirectory>
-        <finalName>${project.artifactId}-${project.version}</finalName>
-        <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>
-        <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
-        <testSourceDirectory>${project.basedir}/src/test/java</testSourceDirectory>
-        <resources>
-            <resource>
-                <directory>${project.basedir}/src/main/resources</directory>
-            </resource>
-        </resources>
-        <testResources>
-            <testResource>
-                <directory>${project.basedir}/src/test/resources</directory>
-            </testResource>
-        </testResources>
     </build>
 
     <dependencies>