fix: appease gosimple linter

Author: alessio-perugini

internal/arduino/libraries/librariesindex/json.go

@@ -126,7 +126,7 @@ func (indexLib *indexRelease) extractReleaseIn(library *Library) {
 
 func (indexLib *indexRelease) extractDependencies() []*Dependency {
 	res := []*Dependency{}
-	if indexLib.Dependencies == nil || len(indexLib.Dependencies) == 0 {
+	if len(indexLib.Dependencies) == 0 {
 		return res
 	}
 	for _, indexDep := range indexLib.Dependencies {

internal/cli/lib/examples.go

@@ -104,7 +104,7 @@ func (ir libraryExamplesResult) Data() interface{} {
 }
 
 func (ir libraryExamplesResult) String() string {
-	if ir.Examples == nil || len(ir.Examples) == 0 {
+	if len(ir.Examples) == 0 {
 		return i18n.Tr("No libraries found.")
 	}