Remove duplicate attribute initialization in SimpleAiohttpChecker.__init__ (#2513)

self.allow_redirects and self.timeout were each initialized twice in
SimpleAiohttpChecker.__init__, which is redundant code.

Co-authored-by: zocomputer <help@zocomputer.com>

maigret/checking.py

@@ -61,8 +61,6 @@ class SimpleAiohttpChecker(CheckerBase):
         self.headers = None
         self.allow_redirects = True
         self.timeout = 0
-        self.allow_redirects = True
-        self.timeout = 0
         self.method = 'get'
         self.payload = None