Dropped the header from dbg scripts

I had never noticed xxd has no header until comparing its output against
dbgblock.py. Turns out these headers aren't really all that useful, and
even sometimes wrong in dbglfs.py.

scripts/dbgblock.py

@@ -87,9 +87,6 @@ def main(disk, block=None, *,
         f.seek((block * block_size) + (off or 0))
         data = f.read(size)
 
-        # print header
-        print('%-8s  %s' % ('off', 'data'))
-
         # render the hex view
         for o, line in enumerate(xxd(data)):
             print('%08x: %s' % ((off or 0) + 16*o, line))

scripts/dbgbtree.py

@@ -827,15 +827,8 @@ def main(disk, roots=None, *,
                 return '%s ' % ''.join(trunk)
 
 
-        # print header
+        # dynamically size the id field
         w_width = 2*m.ceil(m.log10(max(1, btree.weight)+1))+1
-        print('%-9s  %*s%-*s %-22s  %s' % (
-            'rbyd',
-            t_width, '',
-            w_width, 'bid',
-            'tag',
-            'data (truncated)'
-                if not args.get('no_truncate') else ''))
 
         # prbyd here means the last rendered rbyd, we update
         # in dbg_branch to always print interleaved addresses

scripts/dbglfs.py

@@ -1094,23 +1094,10 @@ def main(disk, mroots=None, *,
             config.version[1] if config.version[1] is not None else '?',
             mroot.addr(), mroot.rev, bweight//mleaf_weight, 1*mleaf_weight))
 
-        # print header
+        # dynamically size the id field
         w_width = (m.ceil(m.log10(max(1, bweight//mleaf_weight)+1))
             + 2*m.ceil(m.log10(max(1, rweight)+1))
             + 2)
-        if dtree:
-            print('%-11s  %-*s %-*s  %s' % (
-                'mdir',
-                w_width, 'mid',
-                f_width, 'name',
-                'type'))
-        else:
-            print('%-11s  %-*s %-22s  %s' % (
-                'mdir',
-                w_width, 'mid',
-                'tag',
-                'data (truncated)'
-                    if not args.get('no_truncate') else ''))
 
         # print config?
         if args.get('config'):

scripts/dbgmtree.py

@@ -1433,17 +1433,10 @@ def main(disk, mroots=None, *,
         print('mtree %s, rev %d, weight %d.%d' % (
             mroot.addr(), mroot.rev, bweight//mleaf_weight, 1*mleaf_weight))
 
-        # print header
+        # dynamically size the id field
         w_width = (m.ceil(m.log10(max(1, bweight//mleaf_weight)+1))
             + 2*m.ceil(m.log10(max(1, rweight)+1))
             + 2)
-        print('%-11s  %*s%-*s %-22s  %s' % (
-            'mdir',
-            t_width, '',
-            w_width, 'mid',
-            'tag',
-            'data (truncated)'
-                if not args.get('no_truncate') else ''))
 
         # show each mroot
         prbyd = None

scripts/dbgrbyd.py

@@ -436,15 +436,8 @@ def dbg_log(data, block_size, rev, off, weight, *,
                 lifetime_width - sum(len(r) for r in reprs), '')
 
 
-    # print header
+    # dynamically size the id field
     w_width = 2*m.ceil(m.log10(max(1, weight)+1))+1
-    print('%-8s  %*s%-*s %-22s  %s' % (
-        'off',
-        lifetime_width, '',
-        w_width, 'rid',
-        'tag',
-        'data (truncated)'
-            if not args.get('no_truncate') else ''))
 
     # print revision count
     if args.get('raw'):
@@ -765,15 +758,8 @@ def dbg_tree(data, block_size, rev, trunk, weight, *,
             return '%s ' % ''.join(trunk)
 
 
-    # print header
+    # dynamically size the id field
     w_width = 2*m.ceil(m.log10(max(1, weight)+1))+1
-    print('%-8s  %*s%-*s %-22s  %s' % (
-        'off',
-        t_width, '',
-        w_width, 'rid',
-        'tag',
-        'data (truncated)'
-            if not args.get('no_truncate') else ''))
 
     rid, tag = -1, 0
     while True: