Create T2CdevelopmentTool.java

src/main/java/net/t2code/t2codelib/SPIGOT/api/dev/T2CdevelopmentTool.java

@@ -0,0 +1,9 @@
+package net.t2code.t2codelib.SPIGOT.api.dev;
+
+public class T2CdevelopmentTool {
+    public static String removeLastChar(String s, int amount) {
+        return (s == null || s.length() == 0)
+                ? null
+                : (s.substring(0, s.length() - amount));
+    }
+}