chore(reports): remove outdated npm log analysis reports

Delete historical Nginx Proxy Manager log analysis outputs from
app/reports/npm, including generated report snapshots and the
associated data artifacts (ips.json, requests.csv, error_paths.csv,
host_summary.csv, ua_summary.csv, scanner/blocked IP lists, and the
MikroTik block script). These files are regenerated on demand and no
longer need to be tracked.

app/data/paloalto/.gitkeep

@@ -1 +0,0 @@
-$ = paloalto

app/data/paloalto/scanner-ips.txt

@@ -1,12 +0,0 @@
-35.203.210.0/23
-144.86.173.0/24
-147.185.132.0/23
-162.216.149.0/24
-162.216.150.0/24
-172.105.147.0/24
-198.235.24.0/24
-205.210.31.0/24
-216.25.88.0/21
-2604:a940:300:5b6:0:0:0:0/64 
-2604:a940:301:225:0:0:0:0/64 
-2604:a940:302:118:0:0:0:0/64