Remove redundant slf4j and logback dependencies
Remove redundant slf4j and logback dependencies

They are already included in spring-boot and shouldn't be declared twice. Otherwise we get a warning on sysout: SLF4J: Class path contains multiple SLF4J bindings.
inpercima/run-and-fun,inpercima/run-and-fun,sepe81/run-and-fun,inpercima/run-and-fun,inpercima/run-and-fun,sepe81/run-and-fun,CMRHDL/run-and-fun,sepe81/run-and-fun,inpercima/run-and-fun,CMRHDL/run-and-fun,CMRHDL/run-and-fun