Remove unused dependencies

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Kitodo/pom.xml

@@ -21,7 +21,6 @@
 [WARNING]    commons-codec:commons-codec:jar:1.15:compile
 [WARNING]    junit:junit:jar:4.13.2:test
 [WARNING]    org.hamcrest:hamcrest-core:jar:1.3:compile
-[WARNING]    org.apache.commons:commons-collections4:jar:4.4:compile
 [WARNING]    org.apache.logging.log4j:log4j-1.2-api:jar:2.19.0:compile
 [WARNING]    org.apache.geronimo.specs:geronimo-jms_1.1_spec:jar:1.1.1:compile
 [WARNING]    org.camunda.bpm.model:camunda-xml-model:jar:7.17.0:compile
@@ -32,7 +31,6 @@
 [WARNING]    org.codehaus.jackson:jackson-xc:jar:1.9.13:compile
 [WARNING]    commons-beanutils:commons-beanutils:jar:1.9.4:compile
 [WARNING]    commons-cli:commons-cli:jar:1.5.0:compile
-[WARNING]    org.apache.commons:commons-math3:jar:3.6.1:compile
 [WARNING]    javax.ws.rs:jsr311-api:jar:1.1.1:compile
 [WARNING]    com.mysql:mysql-connector-j:jar:8.0.33:runtime
 [WARNING]    org.mariadb.jdbc:mariadb-java-client:jar:2.7.6:runtime
@@ -51,7 +49,6 @@
 [WARNING]    org.hibernate.validator:hibernate-validator:jar:6.2.4.Final:compile
 [WARNING]    xml-apis:xml-apis-ext:jar:1.3.04:compile
 [WARNING]    org.im4java:im4java:jar:1.4.0:compile
-[WARNING]    org.apache.commons:commons-exec:jar:1.3:compile
 [WARNING]    org.openpreservation.jhove:jhove-core:jar:1.20.1:compile
 [WARNING]    org.openpreservation.jhove:jhove-modules:jar:1.20.1:compile
 [WARNING]    org.openpreservation.jhove:jhove-ext-modules:jar:1.20.1:compile
@@ -134,8 +131,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>3.6.1</version>
+            <artifactId>commons-collections4</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -320,6 +316,7 @@
              <artifactId>im4java</artifactId>
         </dependency>
         <dependency>
+            <!-- required for tests -->
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-exec</artifactId>
         </dependency>