Removed unused class

app/src/main/java/zerrium/FilterKeywordsUtility.java

@@ -1,31 +0,0 @@
-package zerrium;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Locale;
-
-public abstract class FilterKeywordsUtility {
-    private static final List<String> FILTER_KEYWORDS = new ArrayList<>();
-
-    public static boolean append(final String keyword){
-        if(keyword == null) return false;
-        FILTER_KEYWORDS.add(keyword);
-        return true;
-    }
-
-    public static boolean insert(final String[] keywords){
-        if(keywords == null) return false;
-        FILTER_KEYWORDS.addAll(Arrays.asList(keywords));
-        return true;
-    }
-
-    public static boolean filter(String caption){
-        if(caption == null) return false;
-        String temp = caption.toLowerCase(Locale.getDefault());
-        for(final String s:FILTER_KEYWORDS){
-            if(temp.contains(s)) return true;
-        }
-        return false;
-    }
-}

app/src/main/res/values/filter_keyword.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string-array name="filter_keyword">
-        <item>paid promote</item>
-        <item>endorse</item>
-        <item>endorsement</item>
-        <item>paid-promote</item>
-        <item>paid_promote</item>
-        <item>paid.promote</item>
-        <item>paidpromote</item>
-        <item>advertisement</item>
-        <item>p41d pr0m0t3</item>
-        <item>p@1d pr0m0t3</item>
-        <item>sponsor</item>
-        <item>sp0ns0r</item>
-        <item>3nd0r53</item>
-        <item>iklan</item>
-        <item>1kl@n</item>
-        <item>1kl4n</item>
-    </string-array>
-</resources>