Fix misleading SSL error message

The `except` block with exception matching throught
`if 'connection refused' in str(e).lower():` is funny,
but is not user-friendly.

Probably related issues:

- #15679
- #12161
- #9966
- #8221
- #7218

... and more

lib/ansible/module_utils/urls.py

@@ -721,15 +721,11 @@ class SSLValidationHandler(urllib_request.BaseHandler):
             # close the ssl connection
             #ssl_s.unwrap()
             s.close()
-        except (ssl.SSLError, socket.error):
+        except (ssl.SSLError, CertificateError):
-            e = get_exception()
-            # fail if we tried all of the certs but none worked
-            if 'connection refused' in str(e).lower():
-                raise ConnectionError('Failed to connect to %s:%s.' % (self.hostname, self.port))
-            else:
-                build_ssl_validation_error(self.hostname, self.port, paths_checked)
-        except CertificateError:
             build_ssl_validation_error(self.hostname, self.port, paths_checked)
+        except socket.error:
+            e = get_exception()
+            raise ConnectionError('Failed to connect to %s at port %s: %s' % (self.hostname, self.port, str(e)))
 
         try:
             # cleanup the temp file created, don't worry