node and npm: cleaning message "requires a peer of..."

>PROBLEM

Working with node, you perform some installation which not fulfill full installation.
Some unmet dependency keeps hanging a boring warning.
In this examples was:

npm WARN grunt-execute@0.2.2 requires a peer of grunt@~0.4.1 but none was installed.



>SOLUTION

Try to clean the unmet dependency manually.
Open the file package.json and remove the respective package.

In this case was "grunt-execute: 0.2.2".

After removal:

Results:

>ENV

Windows
node