java_gen: remove unused methods
diff --git a/java_gen/codegen.py b/java_gen/codegen.py
index 7c4789d..0765c91 100644
--- a/java_gen/codegen.py
+++ b/java_gen/codegen.py
@@ -107,31 +107,6 @@
                         template='of_class.java', version=java_class.version, msg=java_class,
                         impl_class=java_class.name)
 
-
-def mkdir_p(path):
-    """ Emulates `mkdir -p` """
-    try:
-        os.makedirs(path)
-    except OSError as exc: # Python >2.5
-        if exc.errno == errno.EEXIST:
-            pass
-        else: raise
-
-def copy_file_with_boiler_plate(src_name, dst_name, with_boiler=True):
-    with open("java_gen/pre-written/%s" % src_name, "r") as src:
-        with open(dst_name, "w") as dst:
-            if with_boiler:
-                print_boiler_plate(os.path.basename(dst_name), dst)
-            dst.writelines(src.readlines())
-
-def frob(s, **kwargs):
-    """ Step through string s and for each key in kwargs,
-         replace $key with kwargs[key] in s.
-    """
-    for k,v in kwargs.iteritems():
-        s = s.replace('$%s' % k, v)
-    return s
-
 def copy_prewrite_tree(basedir):
     """ Recursively copy the directory structure from ./java_gen/pre-write
        into $basedir"""
diff --git a/java_gen/java_type.py b/java_gen/java_type.py
index 33f66c8..3fa9e81 100644
--- a/java_gen/java_type.py
+++ b/java_gen/java_type.py
@@ -228,35 +228,3 @@
         print "WARN: Couldn't find java type conversion for '%s' in %s:%s" % (c_type, obj_name, field_name)
         jtype = name_c_to_caps_camel(re.sub(r'_t$', "", c_type))
         return JType(jtype)
-
-
-def mkdir_p(path):
-    """ Emulates `mkdir -p` """
-    try:
-        os.makedirs(path)
-    except OSError as exc: # Python >2.5
-        if exc.errno == errno.EEXIST:
-            pass
-        else: raise
-
-def copy_file_with_boiler_plate(src_name, dst_name, with_boiler=True):
-    with open("java_gen/pre-written/%s" % src_name, "r") as src:
-        with open(dst_name, "w") as dst:
-            if with_boiler:
-                print_boiler_plate(os.path.basename(dst_name), dst)
-            dst.writelines(src.readlines())
-
-def frob(s, **kwargs):
-    """ Step through string s and for each key in kwargs,
-         replace $key with kwargs[key] in s.
-    """
-    for k,v in kwargs.iteritems():
-        s = s.replace('$%s' % k, v)
-    return s
-
-def copy_prewrite_tree(basedir):
-    """ Recursively copy the directory structure from ./java_gen/pre-write
-       into $basedir"""
-    print "Copying pre-written files into %s" % basedir
-#    subprocess.call("cd java_gen/pre-written && tar cpf - . | ( cd ../../%s && tar xvpf - )" % basedir,
-#            shell=True)