Remove wrong log dependencies from pom

[DmitryZakharov]

branch: https://github.com/DmitryZakharov/homeBudgetWeb/tree/bug/issue_19 the following dependencies must be removed and it has to be tested that nothing has got borken.

    <!-- Logging -->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.6.1</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>1.6.1</version>
    </dependency>

[DmitryZakharov]

Done. seams to be working. If it doesn't work we will not include it.