Revert "ENH Allow order_percent to work with various market values"

This reverts commit dd37a49f2f as it lead to different algo behavior we have to investigate first.

tests/test_algorithm.py

@@ -45,14 +45,11 @@ from zipline.test_algorithms import (
     TestOrderAlgorithm,
     TestOrderInstantAlgorithm,
     TestOrderPercentAlgorithm,
-    TestOrderPercentAlgorithmPercentOf,
     TestOrderStyleForwardingAlgorithm,
     TestOrderValueAlgorithm,
     TestRegisterTransformAlgorithm,
     TestTargetAlgorithm,
-    TestTargetAlgorithm_NonInt,
     TestTargetPercentAlgorithm,
-    TestTargetPercentAlgorithmPercentOf,
     TestTargetValueAlgorithm,
     SetLongOnlyAlgorithm,
     SetMaxPositionSizeAlgorithm,
@@ -306,9 +303,6 @@ class TestTransformAlgorithm(TestCase):
         self.panel_source, self.panel = \
             factory.create_test_panel_source(self.sim_params)
 
-        self.df_large = pd.concat([self.df] * 10, 1)
-        self.df_large.columns = range(10)
-
     def test_source_as_input(self):
         algo = TestRegisterTransformAlgorithm(
             sim_params=self.sim_params,
@@ -380,7 +374,6 @@ class TestTransformAlgorithm(TestCase):
         AlgoClasses = [TestOrderAlgorithm,
                        TestOrderValueAlgorithm,
                        TestTargetAlgorithm,
-                       TestTargetAlgorithm_NonInt,
                        TestOrderPercentAlgorithm,
                        TestTargetPercentAlgorithm,
                        TestTargetValueAlgorithm]
@@ -391,16 +384,6 @@ class TestTransformAlgorithm(TestCase):
             )
             algo.run(self.df)
 
-        AlgoClasses2 = [
-            TestOrderPercentAlgorithmPercentOf,
-            TestTargetPercentAlgorithmPercentOf]
-
-        for AlgoClass in AlgoClasses2:
-            algo = AlgoClass(
-                sim_params=self.sim_params,
-            )
-            algo.run(self.df_large)
-
     def test_order_method_style_forwarding(self):
 
         method_names_to_test = ['order',