Bump the limit up.

config/initializers/rack_attack.rb

@@ -1,16 +1,8 @@
 class Rack::Attack
   ### Throttle Spammy Clients ###
-  throttle('req/ip', limit: 100, period: 1.minutes) do |req|
+  throttle('req/ip', limit: 1000, period: 1.minutes) do |req|
     req.ip
   end
-
-  ### Prevent Brute-Force Login Attacks ###
-  # Throttle requests to /sign_in by IP address
-  throttle('logins/ip', limit: 5, period: 20.seconds) do |req|
-    if req.path.include?('/sign_in') && req.post?
-      req.ip
-    end
-  end
 end
 
 # Always allow requests from localhost