Move bazel from being a shell function to being a script at build/bazel/bin/bazel

Bug: 254713799
Test: b build //packages/modules/adb/apex:com.android.adbd
Change-Id: Ia0d5b68b4d486383563b879b11f6255e2f56ba77
diff --git a/envsetup.sh b/envsetup.sh
index bc206c4..44c9279 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -294,22 +294,6 @@
     #export HOST_EXTRACFLAGS="-I "$T/system/kernel_headers/host_include
 }
 
-function bazel()
-{
-    if which bazel &>/dev/null; then
-        >&2 echo "NOTE: bazel() function sourced from Android's envsetup.sh is being used instead of $(which bazel)"
-        >&2 echo
-    fi
-
-    local T="$(gettop)"
-    if [ ! "$T" ]; then
-        >&2 echo "Couldn't locate the top of the Android tree. Try setting TOP. This bazel() function cannot be used outside of the AOSP directory."
-        return
-    fi
-
-    "$T/tools/bazel" "$@"
-}
-
 function printconfig()
 {
     local T=$(gettop)