[MAINTENANCE] Remove unnecessary dependency management entries in samples (#647)

Author: alien11689

samples/pom.xml

@@ -196,13 +196,6 @@
                 <scope>provided</scope>
             </dependency>
 
-            <dependency>
-                <groupId>org.slf4j</groupId>
-                <artifactId>slf4j-api</artifactId>
-                <version>${slf4j.version}</version>
-                <scope>provided</scope>
-            </dependency>
-
             <dependency>
                 <groupId>org.apache.felix</groupId>
                 <artifactId>org.apache.felix.configadmin</artifactId>
@@ -215,16 +208,6 @@
                 <version>${org.apache.felix.eventadmin.version}</version>
             </dependency>
 
-            <dependency>
-                <groupId>org.ops4j.pax.logging</groupId>
-                <artifactId>pax-logging-api</artifactId>
-                <version>${pax-logging.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.ops4j.pax.logging</groupId>
-                <artifactId>pax-logging-log4j2</artifactId>
-                <version>${pax-logging.version}</version>
-            </dependency>
             <dependency>
                 <groupId>org.ops4j.pax.web</groupId>
                 <artifactId>pax-web-extender-war</artifactId>