Update sonar-project.properties

Delete useless version: the one in pom.xml is being used.

Author: begarco

sonar-project.properties

@@ -1,6 +1,5 @@
 sonar.projectKey=fr.cnes.sonarqube.plugins:sonar-icode-plugin
 sonar.projectName=SonarQube i-Code CNES plugin
-sonar.projectVersion=1.1.0-RC2
 sonar.sources=src/main
 sonar.tests=src/test
 sonar.java.binaries=target/classes