removed slf4j from gemini target

java/com.sap.sailing.targetplatform.features/target-base/feature.xml

@@ -20,14 +20,14 @@
          unpack="false"/>
          
    <plugin
-         id="slf4j-api"
+         id="slf4j.api"
          download-size="0"
          install-size="0"
          version="1.6.4"
          unpack="false"/>
          
    <plugin
-         id="jul-to-slf4j"
+         id="jul.to.slf4j"
          download-size="0"
          install-size="0"
          version="1.6.4"

java/com.sap.sailing.targetplatform.features/target-eclipse-gemini/feature.xml

@@ -65,19 +65,4 @@
          install-size="0"
          version="2.1.1.RELEASE"
          unpack="false"/>
-
-   <plugin
-         id="com.springsource.slf4j.api"
-         download-size="0"
-         install-size="0"
-         version="1.6.1"
-         unpack="false"/>
-
-   <plugin
-         id="com.springsource.slf4j.nop"
-         download-size="0"
-         install-size="0"
-         version="1.6.1"
-         unpack="false"/>
-
 </feature>