fix(compare): remove the year-by-year data table from Explore trends

The mockup's Explore trends section is the measure picker + chart only —
no data table. Removes the table (and the now-unused progressBand / band
chip / formatMetricValue plumbing that only fed it).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0146VHeLAWjDVE2B5uU67jCB

nextjs-app/components/compare/TrendsExplorer.module.css

@@ -75,34 +75,3 @@
     height: 360px;
   }
 }
-
-.tableWrapper {
-  overflow-x: auto;
-  margin-top: 1.5rem;
-}
-
-.table {
-  width: 100%;
-  border-collapse: collapse;
-  font-size: 0.9rem;
-}
-
-.table th,
-.table td {
-  text-align: left;
-  padding: 0.6rem 0.75rem;
-  border-bottom: 1px solid var(--border-light);
-}
-
-.table th {
-  background: var(--bg-secondary);
-  font-size: 0.8rem;
-  text-transform: uppercase;
-  letter-spacing: 0.03em;
-  color: var(--text-secondary);
-}
-
-.yearCell {
-  font-weight: 600;
-  white-space: nowrap;
-}