Remove support for Android API < 23 in ReactTextView

Summary:
Since minsdk version was increased to 23, we are deleting code using Android APIs < 23 for class ReactTextView

chnagelog: [Android][Breaking] Remove support for Android API < 23 in ReactTextView

Differential Revision: D48545504

fbshipit-source-id: 7eb8abcaf48c1c8a1454ef1191f6dd07c1389613

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextView.java

@@ -106,9 +106,7 @@ private void initView() {
 
     // Defaults for these fields:
     // https://github.com/aosp-mirror/platform_frameworks_base/blob/master/core/java/android/widget/TextView.java#L1061
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-      setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE);
-    }
+    setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE);
     setMovementMethod(getDefaultMovementMethod());
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
       setJustificationMode(Layout.JUSTIFICATION_MODE_NONE);
@@ -145,10 +143,7 @@ private void initView() {
       setFocusable(View.FOCUSABLE_AUTO);
     }
 
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-      setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE);
-    }
-
+    setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE);
     updateView(); // call after changing ellipsizeLocation in particular
   }
 
@@ -399,10 +394,8 @@ public void setText(ReactTextUpdate update) {
     if (nextTextAlign != getGravityHorizontal()) {
       setGravityHorizontal(nextTextAlign);
     }
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-      if (getBreakStrategy() != update.getTextBreakStrategy()) {
-        setBreakStrategy(update.getTextBreakStrategy());
-      }
+    if (getBreakStrategy() != update.getTextBreakStrategy()) {
+      setBreakStrategy(update.getTextBreakStrategy());
     }
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
       if (getJustificationMode() != update.getJustificationMode()) {