Using a type parameter when you don't have to simply obfuscates the code. Inserting an unnecessary type parameter in an unparameterized method call will compile, but confuse maintainers.
== Noncompliant Code Example
----
void doTheThing() {
// ...
}
//...
this.<String>doTheThing(); // Noncompliant
== Compliant Solution
this.doTheThing();