Switch to new download format and fix dependencies

source.sh

@@ -2,16 +2,6 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
-DOWNLOAD="https://ftpmirror.gnu.org/gnu/wget/wget-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${DOWNLOAD##*/}"
-
-# The prepare function is executed in the root of the temp directory
-# This function is used for downloading files and putting them into the correct location
-prepare() {
-  wget "$DOWNLOAD"
-  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
@@ -19,13 +9,6 @@ build() {
   make
 }
 
-# The check function is executed in the source directory
-# This function is used to run tests to verify the package has been compiled correctly
-# Temporarily disabled due to broken tests
-#check() {
-  #make check
-#}
-
 # The package function is executed in the source directory
 # This function is used to move the compiled files into the output directory
 package() {