Remove unmaintained History.md (#2880)

This repository has `History.md` and `CHANGELOG.md` to record changes.
But `History.md` hasn't been maintained since 2016. `CHANGELOG.md` has
all the changes(including the same change as the `History.md` ) and
there is no reason to keep this file I think.

Co-authored-by: Stefanni Brasil <[email protected]>

Author: y-yagi

History.md

@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   spec.homepage    = 'https://github.com/faker-ruby/faker'
   spec.license     = 'MIT'
 
-  spec.files         = Dir['lib/**/*'] + %w[History.md License.txt CHANGELOG.md README.md]
+  spec.files         = Dir['lib/**/*'] + %w[License.txt CHANGELOG.md README.md]
   spec.bindir        = 'bin'
   spec.executables   = ['faker']
   spec.require_paths = ['lib']