Remove unnecessary .getName()s on logger creation

As SLF4J allows passing in a `Class<?>`, instead of a `String` for the
class name, we can simplify interactions with the logger creations.

lib/src/main/java/com/diffplug/spotless/FormatExceptionPolicyLegacy.java

@@ -21,7 +21,7 @@
 class FormatExceptionPolicyLegacy extends NoLambda.EqualityBasedOnSerialization implements FormatExceptionPolicy {
 	private static final long serialVersionUID = 1L;
 
-	private static final Logger logger = LoggerFactory.getLogger(Formatter.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(Formatter.class);
 
 	@Override
 	public void handleError(Throwable e, FormatterStep step, String relativePath) {

lib/src/main/java/com/diffplug/spotless/markdown/FreshMarkStep.java

@@ -80,7 +80,7 @@ private static class State implements Serializable {
 		}
 
 		FormatterFunc createFormat() throws Exception {
-			Logger logger = LoggerFactory.getLogger(FreshMarkStep.class.getName());
+			Logger logger = LoggerFactory.getLogger(FreshMarkStep.class);
 			Consumer<String> loggingStream = logger::warn;
 
 			ClassLoader classLoader = jarState.getClassLoader();

lib/src/main/java/com/diffplug/spotless/npm/NpmFormatterStepStateBase.java

@@ -38,7 +38,7 @@
 
 abstract class NpmFormatterStepStateBase implements Serializable {
 
-	private static final Logger logger = LoggerFactory.getLogger(NpmFormatterStepStateBase.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(NpmFormatterStepStateBase.class);
 
 	private static final long serialVersionUID = 1460749955865959948L;
 

lib/src/main/java/com/diffplug/spotless/npm/PrettierFormatterStep.java

@@ -37,7 +37,7 @@
 
 public class PrettierFormatterStep {
 
-	private static final Logger logger = LoggerFactory.getLogger(PrettierFormatterStep.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(PrettierFormatterStep.class);
 
 	public static final String NAME = "prettier-format";
 

lib/src/main/java/com/diffplug/spotless/npm/TsFmtFormatterStep.java

@@ -36,7 +36,7 @@
 
 public class TsFmtFormatterStep {
 
-	private static final Logger logger = LoggerFactory.getLogger(TsFmtFormatterStep.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(TsFmtFormatterStep.class);
 
 	public static final String NAME = "tsfmt-format";
 

lib/src/sortPom/java/com/diffplug/spotless/glue/pom/SortPomFormatterFunc.java

@@ -31,7 +31,7 @@
 import sortpom.parameter.PluginParameters;
 
 public class SortPomFormatterFunc implements FormatterFunc {
-	private static final Logger logger = LoggerFactory.getLogger(SortPomFormatterFunc.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(SortPomFormatterFunc.class);
 	private final SortPomCfg cfg;
 
 	public SortPomFormatterFunc(SortPomCfg cfg) {

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/GradleProvisioner.java

@@ -137,7 +137,7 @@ private static Provisioner forConfigurationContainer(Project project, Configurat
 		};
 	}
 
-	private static final Logger logger = LoggerFactory.getLogger(GradleProvisioner.class.getName());
+	private static final Logger logger = LoggerFactory.getLogger(GradleProvisioner.class);
 
 	/** Models a request to the provisioner. */
 	private static class Request {