Removed viper replacement

Signed-off-by: David Gannon <19214156+dgannon991@users.noreply.github.com>

Author: dgannon991

go.mod

@@ -13,8 +13,6 @@ replace (
 	// Tagged from v1.4.4, the porter branch
 	github.com/hashicorp/go-plugin => github.com/getporter/go-plugin v1.4.4-porter.1
 
-	// Fixes https://github.com/spf13/viper/issues/761
-	github.com/spf13/viper => github.com/getporter/viper v1.7.1-porter.2.0.20210514172839-3ea827168363
 	sigs.k8s.io/structured-merge-diff/v4 => sigs.k8s.io/structured-merge-diff/v4 v4.4.1
 )
 
@@ -201,6 +199,7 @@ require (
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/opencontainers/selinux v1.11.1 // indirect
 	github.com/osteele/tuesday v1.0.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/pierrec/lz4/v4 v4.1.21 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
@@ -212,10 +211,13 @@ require (
 	github.com/qri-io/jsonschema v0.2.2-0.20210831022256-780655b2ba0e // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/secure-systems-lab/go-securesystemslib v0.8.0 // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
@@ -249,6 +251,7 @@ require (
 	go.opentelemetry.io/proto/otlp v1.4.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
 	golang.org/x/net v0.32.0 // indirect
 	golang.org/x/oauth2 v0.24.0 // indirect
 	golang.org/x/sys v0.28.0 // indirect