Remove code coverage plugins

Author: fmbenhassine

.github/workflows/build.yml

@@ -17,6 +17,4 @@ jobs:
       with:
         java-version: 1.8
     - name: Build with Maven
-      env:
-        COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
-      run: mvn -DrepoToken=$COVERALLS_TOKEN clean package cobertura:cobertura coveralls:report
+      run: mvn clean package

README.md

@@ -8,7 +8,6 @@
 <div align="center">
 
 [![MIT license](http://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat)](http://opensource.org/licenses/MIT)
-[![Coverage](https://coveralls.io/repos/j-easy/easy-rules/badge.svg?style=flat&branch=master&service=github)](https://coveralls.io/github/j-easy/easy-rules?branch=master)
 [![Build Status](https://github.com/j-easy/easy-rules/workflows/Java%20CI/badge.svg)](https://github.com/j-easy/easy-rules/actions)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.jeasy/easy-rules-core/badge.svg?style=flat)](http://search.maven.org/#artifactdetails|org.jeasy|easy-rules-core|4.0.0|)
 [![Javadoc](https://www.javadoc.io/badge/org.jeasy/easy-rules-core.svg)](http://www.javadoc.io/doc/org.jeasy/easy-rules-core)

easy-rules-core/pom.xml

@@ -78,15 +78,6 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>cobertura-maven-plugin</artifactId>
-                <version>${maven-cobertura-plugin.version}</version>
-                <configuration>
-                    <format>xml</format>
-                    <maxmem>256m</maxmem>
-                </configuration>
-            </plugin>
             <plugin>
                 <groupId>com.mycila</groupId>
                 <artifactId>license-maven-plugin</artifactId>

pom.xml

@@ -36,8 +36,6 @@
         <system-rules.version>1.19.0</system-rules.version>
         <slf4j.version>1.7.30</slf4j.version>
         <jackson.version>2.11.0</jackson.version>
-        <maven-cobertura-plugin.version>2.7</maven-cobertura-plugin.version>
-        <maven-coveralls-plugin.version>4.3.0</maven-coveralls-plugin.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
@@ -148,11 +146,6 @@
                         </compilerArgs>
                     </configuration>
                 </plugin>
-                <plugin>
-                    <groupId>org.eluder.coveralls</groupId>
-                    <artifactId>coveralls-maven-plugin</artifactId>
-                    <version>${maven-coveralls-plugin.version}</version>
-                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>