cleanup: Remove Opentracing support as no active users (#2196)

References:
[1] #2193
[2] https://fissionio.slack.com/archives/C3LUX6BBP/p1631706812069300

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

go.mod

@@ -3,7 +3,6 @@ module github.com/fission/fission
 go 1.18
 
 require (
-	contrib.go.opencensus.io/exporter/jaeger v0.2.1
 	github.com/Shopify/sarama v1.32.0
 	github.com/dchest/uniuri v0.0.0-20200228104902-7aecb25e1fe5
 	github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
@@ -35,7 +34,6 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.1
 	github.com/wcharczuk/go-chart v2.0.1+incompatible
-	go.opencensus.io v0.23.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.29.0
 	go.opentelemetry.io/contrib/propagators/aws v1.7.0
 	go.opentelemetry.io/contrib/propagators/b3 v1.7.0
@@ -150,7 +148,6 @@ require (
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sergi/go-diff v1.1.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
-	github.com/uber/jaeger-client-go v2.28.0+incompatible // indirect
 	github.com/ulikunitz/xz v0.5.9 // indirect
 	github.com/xanzy/ssh-agent v0.3.0 // indirect
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
@@ -163,12 +160,10 @@ require (
 	golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70 // indirect
 	golang.org/x/image v0.0.0-20190802002840-cff245a6509b // indirect
 	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5 // indirect
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20220627191245-f75cf1eec38b // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11 // indirect
-	google.golang.org/api v0.62.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220628213854-d9e0b6570c03 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect