feat: Use open-source Terraform Provider (#403)

This removes our internal Terraform Provider, and opens
it to the world!

Makefile

@@ -12,12 +12,7 @@ bin/coderd:
 	go build -o bin/coderd cmd/coderd/main.go
 .PHONY: bin/coderd
 
-bin/terraform-provider-coder:
-	mkdir -p bin
-	go build -o bin/terraform-provider-coder cmd/terraform-provider-coder/main.go
-.PHONY: bin/terraform-provider-coder
-
-build: site/out bin/coder bin/coderd bin/terraform-provider-coder
+build: site/out bin/coder bin/coderd
 .PHONY: build
 
 # Runs migrations to output a dump of the database.
@@ -66,11 +61,6 @@ install:
 	@echo "-- CLI available at $(shell ls $(INSTALL_DIR)/coder*)"
 .PHONY: install
 
-install/terraform-provider-coder: bin/terraform-provider-coder
-	$(eval OS_ARCH := $(shell go env GOOS)_$(shell go env GOARCH))
-	mkdir -p ~/.terraform.d/plugins/coder.com/internal/coder/0.2/$(OS_ARCH)
-	cp bin/terraform-provider-coder ~/.terraform.d/plugins/coder.com/internal/coder/0.2/$(OS_ARCH)
-
 peerbroker/proto: peerbroker/proto/peerbroker.proto
 	protoc \
 		--go_out=. \

go.mod

@@ -57,7 +57,6 @@ require (
 	github.com/tabbed/pqtype v0.1.1
 	github.com/unrolled/secure v1.10.0
 	github.com/xlab/treeprint v1.1.0
-	go.opencensus.io v0.23.0
 	go.uber.org/atomic v1.9.0
 	go.uber.org/goleak v1.1.12
 	golang.org/x/crypto v0.0.0-20220214200702-86341886e292
@@ -151,6 +150,7 @@ require (
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	github.com/zclconf/go-cty v1.10.0 // indirect
 	github.com/zeebo/errs v1.2.2 // indirect
+	go.opencensus.io v0.23.0 // indirect
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect