Remove deprecations tagged for v8.1

configure

@@ -90,10 +90,6 @@ Usage: $0 [OPTION]... [VAR=VALUE]...
     --disable-zkg          don't install zkg
 
   Required Packages in Non-Standard Locations:
-    --with-bifcl=PATH      path to Zeek BIF compiler executable
-                           (useful for cross-compiling)
-    --with-binpac=PATH     path to BinPAC executable
-                           (useful for cross-compiling)
     --with-bison=PATH      path to bison executable
     --with-broker=PATH     path to Broker install root
                            (Zeek uses an embedded version by default)
@@ -184,8 +180,6 @@ builddir=build
 CMakeCacheEntries=""
 display_cmake=0
 has_disable_archiver=0
-has_with_binpac=0
-has_with_bifcl=0
 
 # parse arguments
 while [ $# -ne 0 ]; do
@@ -369,15 +363,9 @@ while [ $# -ne 0 ]; do
         --disable-zkg)
             append_cache_entry INSTALL_ZKG BOOL false
             ;;
-        --with-bifcl=*)
-            has_with_bifcl=1
-            ;;
         --with-bind=*)
             append_cache_entry BIND_ROOT_DIR PATH $optarg
             ;;
-        --with-binpac=*)
-            has_with_binpac=1
-            ;;
         --with-bison=*)
             append_cache_entry BISON_EXECUTABLE PATH $optarg
             ;;
@@ -508,15 +496,3 @@ eval ${cmake} 2>&1
 echo "# This is the command used to configure this build" >config.status
 echo $command >>config.status
 chmod u+x config.status
-
-if [ $has_with_bifcl -eq 1 ]; then
-    echo
-    echo "The --with-bifcl option has been deprecated and will be removed in v8.1."
-    echo "The bundled version of bifcl will always be used."
-fi
-
-if [ $has_with_binpac -eq 1 ]; then
-    echo
-    echo "The --with-binpac option has been deprecated and will be removed in v8.1."
-    echo "The bundled version of BinPAC will always be used.\n"
-fi