Update tonic logo (#508)

* Use fancy new logo

* Remove shell.nix

tonic-build/src/lib.rs

@@ -65,7 +65,7 @@
     unreachable_pub
 )]
 #![doc(
-    html_logo_url = "https://github.com/hyperium/tonic/raw/master/.github/assets/tonic-docs.png"
+    html_logo_url = "https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg"
 )]
 #![doc(html_root_url = "https://docs.rs/tonic-build/0.3.1")]
 #![doc(issue_tracker_base_url = "https://github.com/hyperium/tonic/issues/")]

tonic-health/src/lib.rs

@@ -13,7 +13,7 @@
     unreachable_pub
 )]
 #![doc(
-    html_logo_url = "https://github.com/hyperium/tonic/raw/master/.github/assets/tonic-docs.png"
+    html_logo_url = "https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg"
 )]
 #![doc(html_root_url = "https://docs.rs/tonic/0.2.0")]
 #![doc(issue_tracker_base_url = "https://github.com/hyperium/tonic/issues/")]

tonic-types/src/lib.rs

@@ -7,7 +7,7 @@
     unreachable_pub
 )]
 #![doc(
-    html_logo_url = "https://github.com/hyperium/tonic/raw/master/.github/assets/tonic-docs.png"
+    html_logo_url = "https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg"
 )]
 #![doc(html_root_url = "https://docs.rs/tonic-types/0.1.0")]
 #![doc(issue_tracker_base_url = "https://github.com/hyperium/tonic/issues/")]

tonic/src/lib.rs

@@ -69,7 +69,7 @@
     unreachable_pub
 )]
 #![doc(
-    html_logo_url = "https://github.com/hyperium/tonic/raw/master/.github/assets/tonic-docs.png"
+    html_logo_url = "https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg"
 )]
 #![doc(html_root_url = "https://docs.rs/tonic/0.3.1")]
 #![doc(issue_tracker_base_url = "https://github.com/hyperium/tonic/issues/")]