Remove unnesessary fix for testr

As far community replace testr on stestr in tempest 18
we should remove fix for testr skip mechanism and replace in
run-tempest.sh call of testr on stestr

Change-Id: I0864da097e29273142393ba55f88c1346c222573
Related-Prod: PROD-22874 PROD-23315
diff --git a/bin/patches/regex_builder.patch b/bin/patches/regex_builder.patch
deleted file mode 100644
index b29bf4a..0000000
--- a/bin/patches/regex_builder.patch
+++ /dev/null
@@ -1,77 +0,0 @@
---- os_testr/regex_builder.py	2018-04-25 11:33:36.330640993 +0300
-+++ os_testr/regex_builder.py	2018-04-25 11:33:54.878627168 +0300
-@@ -71,34 +71,46 @@
-     return '|'.join(lines)
- 
- 
--def construct_regex(blacklist_file, whitelist_file, regex, print_exclude):
--    """Deprecated, please use testlist_builder.construct_list instead."""
--    if not blacklist_file:
-+def get_regex_from_blacklist_file(file_path, print_exclude=False):
-+    exclude_regex = ''
-+    with open(file_path, 'r') as black_file:
-         exclude_regex = ''
--    else:
--        with open(blacklist_file, 'r') as black_file:
--            exclude_regex = ''
--            for line in black_file:
--                raw_line = line.strip()
--                split_line = raw_line.split('#')
--                # Before the # is the regex
--                line_regex = split_line[0].strip()
--                if len(split_line) > 1:
--                    # After the # is a comment
--                    comment = split_line[1].strip()
-+        for line in black_file:
-+            raw_line = line.strip()
-+            split_line = raw_line.split('#')
-+            # Before the # is the regex
-+            line_regex = split_line[0].strip()
-+            if len(split_line) > 1:
-+                # After the # is a comment
-+                comment = split_line[1].strip()
-+            else:
-+                comment = ''
-+            if line_regex:
-+                if print_exclude:
-+                    print_skips(line_regex, comment)
-+                if exclude_regex:
-+                    exclude_regex = '|'.join([line_regex, exclude_regex])
-                 else:
--                    comment = ''
--                if line_regex:
--                    if print_exclude:
--                        print_skips(line_regex, comment)
--                    if exclude_regex:
--                        exclude_regex = '|'.join([line_regex, exclude_regex])
--                    else:
--                        exclude_regex = line_regex
--            if exclude_regex:
--                exclude_regex = "^((?!" + exclude_regex + ").)*$"
--    if regex:
--        exclude_regex += regex
--    if whitelist_file:
--        exclude_regex += '%s' % get_regex_from_whitelist_file(whitelist_file)
-+                    exclude_regex = line_regex
-+        if exclude_regex:
-+            exclude_regex = "(?!" + exclude_regex + ")"
-     return exclude_regex
-+
-+
-+def construct_regex(blacklist_file, whitelist_file, regex, print_exclude):
-+    """Deprecated, please use testlist_builder.construct_list instead."""
-+    bregex = ''
-+    wregex = ''
-+    pregex = ''
-+
-+    if blacklist_file:
-+        bregex = get_regex_from_blacklist_file(blacklist_file, print_exclude)
-+    if whitelist_file:
-+        wregex = get_regex_from_whitelist_file(whitelist_file)
-+    if regex:
-+        pregex = regex
-+    combined_regex = '^%s.*(%s).*$' % (bregex, '|'.join(
-+        filter(None, [pregex, wregex])
-+    ))
-+
-+    return combined_regex
diff --git a/bin/run_tempest.sh b/bin/run_tempest.sh
index 2ddde95..cdbacc1 100755
--- a/bin/run_tempest.sh
+++ b/bin/run_tempest.sh
@@ -28,5 +28,5 @@
 tempest run $ARGS | tee -a ${log}
 
 if [[ "$ARGS" =~ '-r ' || "$ARGS" =~ '--regex' || "$ARGS" =~ '-s' || "$ARGS" =~ '--smoke' || "$ARGS" =~ '--blacklist-file' || "$ARGS" =~ '-w' || "$ARGS" == '' ]]; then
-    testr last --subunit | subunit2junitxml > $LOG_DIR/$report.xml || true
+    stestr last --subunit | subunit2junitxml > $LOG_DIR/$report.xml || true
 fi