removing an extra line about ssh in gitmodule. The previous change https://github.com/lightblue-platform/lightblue/commit/97aa222e9d60d4ae7d6a2edf221ef29a75eb4155#diff-8903239df476d7401cf9e76af0252622L3
Merge pull request #4 from luan-cestari/NO_SSH

removing an extra line about ssh in gitmodule.