Revert "Add JaCoCo reporting and backfill unit test coverage across all modules"

This reverts commit 5ec8a26.

Author: suhase

pom.xml

@@ -37,7 +37,6 @@
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
         <maven-javadoc-plugin.version>3.1.0</maven-javadoc-plugin.version>
-        <jacoco-maven-plugin.version>0.8.8</jacoco-maven-plugin.version>
     </properties>
 
     <scm>
@@ -186,32 +185,6 @@
             </plugins>
         </pluginManagement>
 
-        <plugins>
-            <plugin>
-                <groupId>org.jacoco</groupId>
-                <artifactId>jacoco-maven-plugin</artifactId>
-                <version>${jacoco-maven-plugin.version}</version>
-                <executions>
-                    <execution>
-                        <id>prepare-agent</id>
-                        <goals>
-                            <goal>prepare-agent</goal>
-                        </goals>
-                        <configuration>
-                            <propertyName>surefireArgLine</propertyName>
-                        </configuration>
-                    </execution>
-                    <execution>
-                        <id>report</id>
-                        <phase>test</phase>
-                        <goals>
-                            <goal>report</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-
         <extensions>
             <extension>
                 <groupId>org.apache.maven.wagon</groupId>