fix(pfEmptyState): remove period "." after helplink
fix(pfEmptyState): remove period "." after helplink

AllenBW/angular-patternfly,dtaylor113/angular-patternfly,dtaylor113/angular-patternfly,AllenBW/angular-patternfly,dtaylor113/angular-patternfly,patternfly/angular-patternfly,patternfly/angular-patternfly,AllenBW/angular-patternfly,patternfly/angular-patternfly