feat: Remove Strings.toJson methods

Author: PerfectSlayer

internal-api/src/main/java/datadog/trace/util/Strings.java

@@ -7,8 +7,6 @@
 import java.security.NoSuchAlgorithmException;
 import java.util.Iterator;
 import java.util.Locale;
-import java.util.Map;
-import java.util.Map.Entry;
 import java.util.concurrent.ThreadLocalRandom;
 import javax.annotation.Nonnull;
 
@@ -278,52 +276,6 @@ public static CharSequence truncate(CharSequence input, int limit) {
     return input.subSequence(0, limit);
   }
 
-  public static String toJson(final Map<String, ?> map) {
-    return toJson(map, false);
-  }
-
-  public static String toJson(final Map<String, ?> map, boolean valuesAreJson) {
-    if (map == null || map.isEmpty()) {
-      return "{}";
-    }
-    final StringBuilder sb = new StringBuilder("{");
-    final Iterator<? extends Entry<String, ?>> entriesIter = map.entrySet().iterator();
-    while (entriesIter.hasNext()) {
-      final Entry<String, ?> entry = entriesIter.next();
-
-      sb.append("\"").append(escapeToJson(entry.getKey())).append("\":");
-
-      if (valuesAreJson) {
-        sb.append(entry.getValue());
-      } else {
-        sb.append("\"").append(escapeToJson(String.valueOf(entry.getValue()))).append("\"");
-      }
-
-      if (entriesIter.hasNext()) {
-        sb.append(",");
-      }
-    }
-    sb.append("}");
-    return sb.toString();
-  }
-
-  public static String toJson(final Iterable<String> items) {
-    if (items == null) {
-      return "[]";
-    }
-    StringBuilder json = new StringBuilder("[");
-    Iterator<String> it = items.iterator();
-    while (it.hasNext()) {
-      String item = it.next();
-      json.append('"').append(escapeToJson(item)).append('"');
-      if (it.hasNext()) {
-        json.append(",");
-      }
-    }
-    json.append("]");
-    return json.toString();
-  }
-
   /**
    * Checks that a string is not blank, i.e. contains at least one character that is not a
    * whitespace