remove devtools in vignettes

Author: realxinzhao

DESCRIPTION

@@ -42,6 +42,7 @@ Suggests:
 Encoding: UTF-8
 LazyData: true
 RoxygenNote: 7.2.3
-VignetteBuilder: knitr
+VignetteBuilder: 
+    knitr,
+    kableExtra
 Config/testthat/edition: 3
-Config/Needs/website: kableExtra, devtools

vignettes/vignette_preparing_data.Rmd

@@ -44,7 +44,8 @@ When `gcamfaostat` is downloaded, preprocessed FAOSTAT data, i.e., output of the
 
 **Table 1. FAOSTAT dataset processed in gcamfaostat**
 ``` {r, echo=FALSE, warning=FALSE, message=FALSE}
-devtools::load_all()
+# devtools::load_all()
+library(gcamfaostat)
 library(dplyr)
 library(kableExtra)
 gcamfaostat_metadata(.DIR_RAW_DATA_FAOSTAT = file.path("..", "inst/extdata/aglu/FAO/FAOSTAT")) %>% 

vignettes/vignette_processing_flow.Rmd

@@ -72,7 +72,8 @@ As gcamfaostat is built upon the foundation of `gcamdata` and leverages the powe
 
 ``` {r, eval =TRUE, message = FALSE, warnings = FALSE, error = FALSE}
 # Load gcamfaostat
-devtools::load_all() 
+# devtools::load_all() 
+library(gcamfaostat)
 # package data, GCAM_DATA_MAP, will be loaded
 
 # Get information for an intermediate data frame QCL_CROP_PRIMARY