[py] remove not needed imports

src/gen-emoji-table.py

@@ -7,7 +7,6 @@ Input file:
 """
 
 import sys
-import os.path
 from collections import OrderedDict
 import packTab
 

src/gen-harfbuzzcc.py

@@ -2,7 +2,7 @@
 
 "usage: gen-harfbuzzcc.py harfbuzz.cc hb-blob.cc hb-buffer.cc ..."
 
-import os, re, sys
+import os, sys
 
 os.chdir (os.path.dirname (__file__))
 

src/gen-hb-version.py

@@ -2,7 +2,7 @@
 
 "usage: gen-hb-version.py 1.0.0 hb-version.h.in hb-version.h"
 
-import os, re, sys
+import os, sys
 
 os.chdir (os.path.dirname (__file__))
 

src/gen-indic-table.py

@@ -82,7 +82,6 @@ for i,d in enumerate (data):
 combined = {k:v for k,v in combined.items() if k in ALLOWED_SINGLES or v[2] in ALLOWED_BLOCKS}
 data = combined
 del combined
-num = len (data)
 
 # Move the outliers NO-BREAK SPACE and DOTTED CIRCLE out
 singles = {}

src/gen-ragel-artifacts.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import os, re, sys, subprocess, shutil, tempfile
+import os, sys, subprocess, shutil, tempfile
 
 os.chdir (os.path.dirname (__file__))
 

src/gen-ucd-table.py

@@ -6,7 +6,7 @@ Input file:
 * https://unicode.org/Public/UCD/latest/ucdxml/ucd.nounihan.grouped.zip
 """
 
-import os.path, sys, re
+import sys, re
 import logging
 logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
 

src/gen-use-table.py

@@ -89,7 +89,6 @@ for i,d in enumerate (data):
 combined = {k:v for k,v in combined.items() if v[3] not in BLACKLISTED_BLOCKS}
 data = combined
 del combined
-num = len (data)
 
 
 property_names = [

src/gen-vowel-constraints.py

@@ -14,11 +14,9 @@ Input file:
 """
 
 import collections
-from html.parser import HTMLParser
 def write (s):
 	sys.stdout.flush ()
 	sys.stdout.buffer.write (s.encode ('utf-8'))
-import itertools
 import sys
 
 if len (sys.argv) != 3: