git-p4: Remove --log-substitutions feature.

This turns out to be rarely useful and is already covered by git's commit.template configuration variable.

Signed-off-by: Simon Hausmann <simon@lst.de>

contrib/fast-import/git-p4

@@ -468,7 +468,6 @@ class P4Submit(Command):
                 optparse.make_option("--verbose", dest="verbose", action="store_true"),
                 optparse.make_option("--origin", dest="origin"),
                 optparse.make_option("--reset", action="store_true", dest="reset"),
-                optparse.make_option("--log-substitutions", dest="substFile"),
                 optparse.make_option("--direct", dest="directSubmit", action="store_true"),
                 optparse.make_option("-M", dest="detectRename", action="store_true"),
         ]
@@ -477,7 +476,6 @@ class P4Submit(Command):
         self.firstTime = True
         self.reset = False
         self.interactive = True
-        self.substFile = ""
         self.firstTime = True
         self.origin = ""
         self.directSubmit = False
@@ -759,11 +757,6 @@ class P4Submit(Command):
         if self.reset:
             self.firstTime = True
 
-        if len(self.substFile) > 0:
-            for line in open(self.substFile, "r").readlines():
-                tokens = line.strip().split("=")
-                self.logSubstitutions[tokens[0]] = tokens[1]
-
         self.check()
         self.configFile = self.gitdir + "/p4-git-sync.cfg"
         self.config = shelve.open(self.configFile, writeback=True)