logger: Do not set location offset in go-plugin

[wata727]

The log output includes the line number in an assembler, which is clearly wrong.

12:42:42 [WARN]  [email protected]/client.go:355: plugin configured with a nil SecureConfig
12:42:42 [DEBUG] [email protected]/client.go:355: starting plugin: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws args=["/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws"]
12:42:42 [DEBUG] [email protected]/client.go:355: plugin started: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws pid=17795
12:42:42 [DEBUG] [email protected]/client.go:355: waiting for RPC address: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws
12:42:42 [DEBUG] [email protected]/client.go:355: using plugin: version=10
12:42:42 [DEBUG] runtime/asm_amd64.s:1594: tflint-ruleset-aws: 12:42:42 [DEBUG] host2plugin/server.go:38: plugin address: network=unix address=/tmp/plugin935001403
12:42:42 provider.go:64: [INFO] Prepare rules
12:42:42 provider.go:92: [INFO]   5 default rules enabled
12:42:42 [DEBUG] host2plugin/client.go:101: starting host-side gRPC server
12:42:42 [DEBUG] runtime/asm_amd64.s:1594: stdio: received EOF, stopping recv loop: err="rpc error: code = Unavailable desc = error reading from server: EOF"
12:42:42 [INFO]  runtime/asm_amd64.s:1594: plugin process exited: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws pid=17795
12:42:42 [DEBUG] plugin/plugin.go:26: plugin exited

This is because the hclog.Logger passed to the go-plugin has an AdditionalLocationOffset. Do not set an offset here.
By removing the offset from the logger passed to go-plugin, you can output the correct log as follows:

12:38:45 [WARN]  [email protected]/client.go:551: plugin configured with a nil SecureConfig
12:38:45 [DEBUG] [email protected]/client.go:585: starting plugin: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws args=["/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws"]
12:38:45 [DEBUG] [email protected]/client.go:593: plugin started: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws pid=16234
12:38:45 [DEBUG] [email protected]/client.go:688: waiting for RPC address: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws
12:38:45 [DEBUG] [email protected]/client.go:736: using plugin: version=10
12:38:45 [DEBUG] [email protected]/client.go:1030: tflint-ruleset-aws: 12:38:45 [DEBUG] host2plugin/server.go:38: plugin address: network=unix address=/tmp/plugin849619141
12:38:45 provider.go:64: [INFO] Prepare rules
12:38:45 provider.go:92: [INFO]   5 default rules enabled
12:38:45 [DEBUG] host2plugin/client.go:101: starting host-side gRPC server
12:38:45 [DEBUG] [email protected]/grpc_stdio.go:139: stdio: received EOF, stopping recv loop: err="rpc error: code = Unavailable desc = error reading from server: EOF"
12:38:45 [INFO]  [email protected]/client.go:646: plugin process exited: path=/home/codespace/.tflint.d/plugins/github.com/terraform-linters/tflint-ruleset-aws/0.16.1/tflint-ruleset-aws pid=16234
12:38:45 [DEBUG] [email protected]/client.go:461: plugin exited