zsh-completion: remove temporary file

Yet another temporary file that found itself in the repo :(

zsh_template.tmpl

@@ -1,56 +0,0 @@
-{{define "complexFlag"}}{{ /* for pflag.Flag with short and long options */ -}}
-"(-{{.Shorthand}} --{{.Name}})"\{-{{.Shorthand}}, --{{.Name}}\}[{{.Usage}}]
-{{- end}}
-
-{{define "simpleFlag"}}{{ /* for pflag.Flag with either short or long options */ -}}
-"{{with .Name}}-{{.}}{{else}}--{{.Shorthand}}{{end}}[{{.Usage}}]"
-{{- end}}
-
-{{define "argumentsC"}}
-{{- /* should accept Command (that contains subcommands) as parameter */ -}}
-function {{constructPath .}} {
-  local line
-
-  _arguments -C \
-{{range extractFlags . -}}
-    {{if simpleFlag .}}{{template "simpleFlag" .}}{{else}}{{template "complexFlag" .}}{{end}} \
-{{end -}}
-    "1: :({{subCmdList .}})" \
-    "*:arg:->args"
-
-    case $line[1] in
-{{range .Commands -}}
-        {{.Use}})
-            {{constructPath .}}
-            ;;
-{{end -}}
-    esac
-}
-{{range .Commands -}}
-
-{{template "selectCmdTemplate" .}}
-{{end -}}
-{{end}}
-
-{{define "arguments"}}
-function {{constructPath .}} {
-{{- /* should accept Command without subcommands as parameter */ -}}
-{{with extractFlags . -}}
-  _arguments \
-{{range .}}
-    {{if simpleFlag .}}{{template "simpleFlag" .}}{{else}}{{template "complexFlag" .}}{{end}} \
-{{end -}}
-{{ /* leave this line empty because of the last backslash */ }}
-{{end -}}
-}
-{{end}}
-
-{{define "selectCmdTemplate" -}}
-{{with .Commands}}{{template "argumentsC" .}}{{else}}{{template "arguments" .}}{{end}}
-{{end -}}
-
-{{define "Main"}}
-#compdef _{{.Use}} {{.Use}}
-
-{{template "selectCmdTemplate" .}}
-{{end}}