Revert "extract_utils: Fix makefile generation issues"

This reverts commit c982836ca6292ac0dd1d2e326be22dc1131b2484.
This breaks extracting from src in "src:dst", such as from a disk image.
Will be addressed in the cleanup commit that follows.

Change-Id: Iff84a926f0c3bf908320b43ba40235e0a89db644
diff --git a/build/tools/extract_utils.sh b/build/tools/extract_utils.sh
index 7de8e36..4b91991 100644
--- a/build/tools/extract_utils.sh
+++ b/build/tools/extract_utils.sh
@@ -655,7 +655,6 @@
 
         # if line starts with a dash, it needs to be packaged
         if [[ "$SPEC" =~ ^- ]]; then
-            SPEC=$(echo "${SPEC}" | sed 's/[^"]*://')
             PRODUCT_PACKAGES_LIST+=("${SPEC#-}")
             PRODUCT_PACKAGES_HASHES+=("$HASH")
         else