script: Wikipedia API's python wrapper does not return garbage text anymore.

I can't see new commits since 2014. So I am assuming the issue was on
Wikipedia side and that it has been fixed.

script/langs/el.py

@@ -57,7 +57,7 @@ case_mapping = True
 # A function to clean content returned by the `wikipedia` python lib,
 # in case some unwanted data has been overlooked.
 def clean_wikipedia_content(content):
-    cleaned = re.sub(r'(=+) *([^=]+) *Επεξεργασία \1',
+    cleaned = re.sub(r'(=+) *([^=]+) *\1',
                      r'\2',
                      content)
     return cleaned

script/langs/es.py

@@ -71,7 +71,7 @@ case_mapping = True
 # A function to clean content returned by the `wikipedia` python lib,
 # in case some unwanted data has been overlooked.
 def clean_wikipedia_content(content):
-    cleaned = re.sub(r'(=+) *([^=]+) *Editar \1',
+    cleaned = re.sub(r'(=+) *([^=]+) *\1',
                      r'\2',
                      content)
     return cleaned

script/langs/fr.py

@@ -72,7 +72,7 @@ case_mapping = True
 # in case some unwanted data has been overlooked.
 def clean_wikipedia_content(content):
     # We get modify link in the text: "=== Articles connexesModifier ==="
-    cleaned = re.sub(r'(=+) *([^=]+) *Modifier \1',
+    cleaned = re.sub(r'(=+) *([^=]+) *\1',
                      r'\2',
                      content)
     return cleaned