Remove tests for 'unnamed' packages (#1703)
Remove tests for 'unnamed' packages (#1703)

Package.build() doesn't accept `None` as package name since
b4cb0c14ebf600daa5573bc90a419eb24329eb55 and this parameter
is required since 7139d63b4ddea7ea25fe33f0b9cc539e1a60352c.
Removed tests did the same as 'named' packages tests.
quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt