Address remaining Copilot review comments manually

Per:

- #8067 (comment)
- #8067 (comment)

Author: greenc-FNAL

modules/dcache/src/main/java/org/dcache/pool/migration/MigrationModule.java

@@ -1636,9 +1636,7 @@ public String call() {
     }
 
     @Command(name = "hotfile show",
-          description = "Show the current status of the hot-file replication facility, "
-                + "including whether it is enabled and the values of the 'replicas' "
-                + "and 'threshold' parameters.",
+          description = "Show the values of the 'replicas' and 'threshold' parameters.",
           hint = "Show hot-file replication status.")
     public class HotfileShowCommand implements Callable<String> {
 

modules/dcache/src/test/java/org/dcache/pool/json/PoolDataDetailsTest.java

@@ -18,14 +18,14 @@ public void shouldPrintHotfileReplicationStatus() {
         }
 
         String output = sw.toString();
-        assertTrue("Output should contain Hot File Replication  status", output.contains("Hot File Replication : ON"));
+        assertTrue("Output should contain Hot File Replication status", output.contains("Hot File Replication : ON"));
 
         details.setHotFileReplicationEnabled(false);
         sw = new StringWriter();
         try (PrintWriter pw = new PrintWriter(sw)) {
             details.print(pw);
         }
         output = sw.toString();
-        assertTrue("Output should contain HotFile Replication  status", output.contains("Hot File Replication : OFF"));
+        assertTrue("Output should contain Hot File Replication status", output.contains("Hot File Replication : OFF"));
     }
 }