remove support for HTTP(S)_PROXY - that will come later

Author: peterguy

cmd/src/main.go

@@ -7,7 +7,6 @@ import (
 	"io"
 	"log"
 	"net"
-	"net/http"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -289,14 +288,6 @@ func readConfig() (*config, error) {
 		} else {
 			return nil, errors.Newf("invalid proxy endpoint: %s", proxyStr)
 		}
-	} else {
-		// no SRC_PROXY; check for the standard proxy env variables HTTP_PROXY, HTTPS_PROXY, and NO_PROXY
-		if u, err := http.ProxyFromEnvironment(&http.Request{URL: cfg.endpointURL}); err != nil {
-			// when there's an error, the value for the env variable is not a legit URL
-			return nil, errors.Newf("invalid HTTP_PROXY or HTTPS_PROXY value: %w", err)
-		} else {
-			cfg.proxyURL = u
-		}
 	}
 
 	cfg.additionalHeaders = parseAdditionalHeaders()