git p4: remove unused P4Submit interactive setting

The code is unused.  Delete.

Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-p4.py

@@ -844,7 +844,6 @@ class P4Submit(Command, P4UserMap):
         ]
         self.description = "Submit changes from git to the perforce depot."
         self.usage += " [name of git branch to submit into perforce depot]"
-        self.interactive = True
         self.origin = ""
         self.detectRenames = False
         self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true"
@@ -1209,7 +1208,6 @@ class P4Submit(Command, P4UserMap):
 
         template = self.prepareSubmitTemplate()
 
-        if self.interactive:
         submitTemplate = self.prepareLogMessage(template, logMessage)
 
         if self.preserveUser:
@@ -1281,14 +1279,6 @@ class P4Submit(Command, P4UserMap):
                 os.remove(f)
 
         os.remove(fileName)
-        else:
-            fileName = "submit.txt"
-            file = open(fileName, "w+")
-            file.write(self.prepareLogMessage(template, logMessage))
-            file.close()
-            print ("Perforce submit template written as %s. "
-                   + "Please review/edit and then use p4 submit -i < %s to submit directly!"
-                   % (fileName, fileName))
 
     # Export git tags as p4 labels. Create a p4 label and then tag
     # with that.
@@ -1437,8 +1427,6 @@ class P4Submit(Command, P4UserMap):
             commit = commits[0]
             commits = commits[1:]
             self.applyCommit(commit)
-            if not self.interactive:
-                break
 
         if len(commits) == 0:
             print "All changes applied!"