Remove the HBR Blogs recipe since HBR Blogs apparently no longer exist

recipes/hbr_blogs.recipe

@@ -1,81 +0,0 @@
-from calibre.web.feeds.news import BasicNewsRecipe
-import re
-
-class HBR(BasicNewsRecipe):
-
-    title = 'Harvard Business Review Blogs'
-    description = 'To subscribe go to http://hbr.harvardbusiness.org'
-    __author__ = 'Kovid Goyal'
-    language = 'en'
-    no_stylesheets = True
-    #recipe_disabled = ('hbr.org has started requiring the use of javascript'
-    #        ' to log into their website. This is unsupported in calibre, so'
-    #        ' this recipe has been disabled. If you would like to see '
-    #        ' HBR supported in calibre, contact hbr.org and ask them'
-    #        ' to provide a javascript free login method.')
-    needs_subscription = False
-
-    LOGIN_URL = 'http://hbr.org/login?request_url=/'
-    LOGOUT_URL = 'http://hbr.org/logout?request_url=/'
-
-    INDEX = 'http://hbr.org/current'
-
-    remove_tags_after = dict(id='articleBody')
-    remove_tags_before = dict(id='pageFeature')
-    feeds = [('Blog','http://feeds.harvardbusiness.org/harvardbusiness')]
-    oldest_article = 30
-    max_articles_per_feed = 100
-    use_embedded_content = False
-
-    keep_only_tags = [	dict(name='div', id='pageContainer')
-				]
-
-    remove_tags = [dict(id=['mastheadContainer', 'magazineHeadline',
-        'articleToolbarTopRD', 'pageRightSubColumn', 'pageRightColumn',
-        'todayOnHBRListWidget', 'mostWidget', 'keepUpWithHBR',
-        'articleToolbarTop','articleToolbarBottom', 'articleToolbarRD',
-        'mailingListTout', 'partnerCenter', 'pageFooter', 'shareWidgetTop']),
-        dict(name=['iframe', 'style'])]
-
-
-    def get_browser(self):
-        br = BasicNewsRecipe.get_browser(self)
-        self.logout_url = None
-        return br
-
-        #'''
-        br.open(self.LOGIN_URL)
-        br.select_form(name='signin-form')
-        br['signin-form:username'] = self.username
-        br['signin-form:password'] = self.password
-        raw = br.submit().read()
-        if 'My Account' not in raw:
-            raise Exception('Failed to login, are you sure your username and password are correct?')
-        try:
-            link = br.find_link(text='Sign out')
-            if link:
-                self.logout_url = link.absolute_url
-        except:
-            self.logout_url = self.LOGOUT_URL
-        #'''
-        return br
-
-#-------------------------------------------------------------------------------------------------
-    def cleanup(self):
-        if self.logout_url is not None:
-            self.browser.open(self.logout_url)
-#-------------------------------------------------------------------------------------------------
-    def map_url(self, url):
-        if url.endswith('/ar/1'):
-            return url[:-1]+'pr'
-
-    def get_cover_url(self):
-        cover_url = None
-        index = 'http://hbr.org/current'
-        soup = self.index_to_soup(index)
-        link_item = soup.find('img', alt=re.compile("Current Issue"), src=True)
-
-        if link_item:
-           cover_url = 'http://hbr.org' + link_item['src']
-
-        return cover_url