Revert "BREAKING: TextInput RTL support (#499)"

This reverts commit 59853b4614.

src/components/TextInput.js

@@ -6,7 +6,6 @@ import {
   Animated,
   TextInput as NativeTextInput,
   StyleSheet,
-  I18nManager,
 } from 'react-native';
 import { polyfill } from 'react-lifecycles-compat';
 import color from 'color';
@@ -441,7 +440,6 @@ class TextInput extends React.Component<Props, State> {
                 ? styles.multilineWithLabel
                 : styles.multilineWithoutLabel
               : null,
-            I18nManager.isRTL ? styles.rtlDirection : styles.ltrDirection,
             {
               color: inputTextColor,
               fontFamily,
@@ -525,10 +523,4 @@ const styles = StyleSheet.create({
   focusLine: {
     height: StyleSheet.hairlineWidth * 4,
   },
-  ltrDirection: {
-    textAlign: 'left',
-  },
-  rtlDirection: {
-    textAlign: 'right',
-  },
 });