diff: remove -M option

app/views/projects/git/commits/_show.html.slim

@@ -1,6 +1,6 @@
 - begin
   - diffs = @commit.show
-  - stats = Grit::CommitStats.find_all(@project.repo, @commit.sha, max_count: 1, skip: 0, M: true)[0][-1]
+  - stats = Grit::CommitStats.find_all(@project.repo, @commit.sha, max_count: 1, skip: 0)[0][-1]
   = render_commit_stats(stats: stats, diff: @commit.show, repo: @project.repo, commit: @commit)
 
   .pull-right

lib/ext/git/grit.rb

@@ -63,7 +63,7 @@ module Grit
     end
 
     def diff(a, b, *paths)
-      diff = self.git.native('diff', {M: true}, "#{a}...#{b}", '--', *paths)
+      diff = self.git.native('diff', {}, "#{a}...#{b}", '--', *paths)
       if diff =~ /diff --git a/
         diff = diff.sub(/.*?(diff --git a)/m, '\1')
       else
@@ -82,7 +82,7 @@ module Grit
     def diff_stats(a,b)
       stats = []
       Dir.chdir(path) do
-        lines = self.git.native(:diff, {numstat: true, M: true}, "#{a}...#{b}").split("\n")
+        lines = self.git.native(:diff, {numstat: true}, "#{a}...#{b}").split("\n")
         while !lines.empty?
           files = []
           while lines.first =~ /^([-\d]+)\s+([-\d]+)\s+(.+)/