refactor: 미사용 Descope 연동 코드 및 환경 변수 제거 (resolves #519)

backend/go.mod

@@ -10,7 +10,6 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/ses v1.34.18
 	github.com/bwmarrin/snowflake v0.3.0
 	github.com/coreos/go-oidc/v3 v3.17.0
-	github.com/descope/go-sdk v1.7.0
 	github.com/go-jose/go-jose/v4 v4.1.3
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/gofiber/fiber/v2 v2.52.10
@@ -52,7 +51,6 @@ require (
 	github.com/containerd/platforms v0.2.1 // indirect
 	github.com/cpuguy83/dockercfg v0.3.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/docker v28.5.2+incompatible // indirect
@@ -65,7 +63,6 @@ require (
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/goccy/go-json v0.10.4 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.28.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
@@ -74,12 +71,6 @@ require (
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
-	github.com/lestrrat-go/blackmagic v1.0.3 // indirect
-	github.com/lestrrat-go/httpcc v1.0.1 // indirect
-	github.com/lestrrat-go/httprc v1.0.6 // indirect
-	github.com/lestrrat-go/iter v1.0.2 // indirect
-	github.com/lestrrat-go/jwx/v2 v2.1.6 // indirect
-	github.com/lestrrat-go/option v1.0.1 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/magiconair/properties v1.8.10 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
@@ -124,7 +115,6 @@ require (
 	go.opentelemetry.io/otel/sdk v1.39.0 // indirect
 	go.opentelemetry.io/otel/trace v1.39.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/exp v0.0.0-20220921023135-46d9e7742f1e // indirect
 	golang.org/x/net v0.50.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.41.0 // indirect