Tweak the wording of summary in FloggerRedundantIsEnabled, becaus…

…e `\[LEVEL\]()` is currently being interpreted as Markdown in the generated docs.

PiperOrigin-RevId: 573840022

core/src/main/java/com/google/errorprone/bugpatterns/flogger/FloggerRedundantIsEnabled.java

@@ -55,7 +55,7 @@
 @BugPattern(
     summary =
         "Logger level check is already implied in the log() call. "
-            + "An explicit at[Level]().isEnabled() check is redundant.",
+            + "An explicit atLEVEL().isEnabled() check is redundant.",
     severity = WARNING)
 public class FloggerRedundantIsEnabled extends BugChecker implements IfTreeMatcher {