fixup! Drop ndarray feature due to the broken deps

Signed-off-by: Igor Raits <ignatenkobrain@fedoraproject.org>

smawk-fix-metadata.diff

@@ -0,0 +1,12 @@
+--- smawk-0.3.0/Cargo.toml	2020-09-02T13:13:27+00:00
++++ smawk-0.3.0/Cargo.toml	2020-12-29T16:22:57.320222+00:00
+@@ -21,9 +21,6 @@
+ categories = ["algorithms", "science"]
+ license = "MIT"
+ repository = "https://github.com/mgeisler/smawk"
+-[dependencies.ndarray]
+-version = "0.13"
+-optional = true
+ [dev-dependencies.num-traits]
+ version = "0.2"
+