Annihilate references to embedclientzip

This broken misfeature of Hypcast's asset embedding is now permanently
removed.

Makefile

@@ -1,10 +1,6 @@
 hypcast-server: go.mod go.sum $(shell find . -name '*.go') client/dist
 	go build -v -tags embedclient ./cmd/hypcast-server
 
-client/assets.zip: client/dist
-	rm -f client/assets.zip
-	cd client/dist && zip -r ../assets.zip .
-
 client/dist: client/node_modules client/tsconfig.json client/tsconfig.node.json client/vite.config.ts $(shell find client/src -type f)
 	rm -rf client/dist
 	cd client && yarn build

client/.gitignore

@@ -7,7 +7,6 @@
 /coverage
 
 # production
-/assets.zip
 /dist
 
 # misc

client/client.go

@@ -3,13 +3,9 @@ package client
 
 import "io/fs"
 
-// Build embeds the Hypcast client when the "embedclient" or "embedclientzip"
-// build tag is set. When Build is nil, embedded client assets are not
-// available. When it is not nil, it is rooted inside of the output directory
-// produced by the client build process, such that index.html will be at the
-// root.
+// Build embeds the Hypcast client when the "embedclient" build tag is set.
 //
-// The "embedclientzip" build tag is deprecated. The resulting FS is broken,
-// defective, and invalid, as its files do not meet the clearly documented
-// http.FS requirement for the files to implement io.Seeker.
+// When Build is nil, embedded client assets are not available. When it is not
+// nil, its root is inside the output directory of the client build process,
+// such that index.html is at the top level.
 var Build fs.FS

client/client_embedclient.go

@@ -1,4 +1,4 @@
-//go:build embedclient && !embedclientzip
+//go:build embedclient
 
 package client