Remove cmake build dep from CMakePackages (#2684)

var/spack/repos/builtin/packages/trilinos/package.py

@@ -90,8 +90,6 @@ def url_for_version(self, version):
             description='Builds a debug version of the libraries')
     variant('boost',        default=True, description='Compile with Boost')
 
-    depends_on('cmake', type='build')
-
     # Everything should be compiled with -fpic
     depends_on('blas')
     depends_on('lapack')