Revert #1963 (#2056)

* Revert "fix(fncall): fix regression introduced in #1963 (#2048)"

This reverts commit 6b06d4e0af.

* Revert "fix: action-tmate back to upstream, dead code removal (#2038)"

This reverts commit fdec8a9d00.

* Revert "feat(grpc): return consumed token count and update response accordingly (#2035)"

This reverts commit e843d7df0e.

* Revert "refactor: backend/service split, channel-based llm flow (#1963)"

This reverts commit eed5706994.

* feat(grpc): return consumed token count and update response accordingly

Fixes: #1920

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

pkg/utils/base64.go

@@ -1,50 +0,0 @@
-package utils
-
-import (
-	"encoding/base64"
-	"fmt"
-	"io"
-	"net/http"
-	"strings"
-	"time"
-)
-
-var base64DownloadClient http.Client = http.Client{
-	Timeout: 30 * time.Second,
-}
-
-// this function check if the string is an URL, if it's an URL downloads the image in memory
-// encodes it in base64 and returns the base64 string
-
-// This may look weird down in pkg/utils while it is currently only used in core/config
-//
-//	but I believe it may be useful for MQTT as well in the near future, so I'm
-//	extracting it while I'm thinking of it.
-func GetImageURLAsBase64(s string) (string, error) {
-	if strings.HasPrefix(s, "http") {
-		// download the image
-		resp, err := base64DownloadClient.Get(s)
-		if err != nil {
-			return "", err
-		}
-		defer resp.Body.Close()
-
-		// read the image data into memory
-		data, err := io.ReadAll(resp.Body)
-		if err != nil {
-			return "", err
-		}
-
-		// encode the image data in base64
-		encoded := base64.StdEncoding.EncodeToString(data)
-
-		// return the base64 string
-		return encoded, nil
-	}
-
-	// if the string instead is prefixed with "data:image/jpeg;base64,", drop it
-	if strings.HasPrefix(s, "data:image/jpeg;base64,") {
-		return strings.ReplaceAll(s, "data:image/jpeg;base64,", ""), nil
-	}
-	return "", fmt.Errorf("not valid string")
-}