Revert "bintools-wrapper: skip dynamic linker for static binaries"

This reverts commit ccfd26ef14.

These toolchain changes are too problematic, so reverting for now; see
https://github.com/NixOS/nixpkgs/pull/107086#issuecomment-749196366

pkgs/build-support/cc-wrapper/cc-wrapper.sh

@@ -28,7 +28,6 @@ cc1=0
 [[ "@prog@" = *++ ]] && isCpp=1 || isCpp=0
 cppInclude=1
 cInclude=1
-setDynamicLinker=1
 
 expandResponseParams "$@"
 declare -i n=0
@@ -59,8 +58,6 @@ while (( "$n" < "$nParams" )); do
         cppInclude=0
     elif [ "$p" = -nostdinc++ ]; then
         cppInclude=0
-    elif [[ "$p" = -static || "$p" = -static-pie ]]; then
-        setDynamicLinker=0
     elif [[ "$p" != -?* ]]; then
         # A dash alone signifies standard input; it is not a flag
         nonFlagArgs=1
@@ -155,9 +152,6 @@ if [ "$dontLink" != 1 ]; then
     for i in $NIX_LDFLAGS_BEFORE_@suffixSalt@; do
         extraBefore+=("-Wl,$i")
     done
-    if [ "$setDynamicLinker" = 1 ]; then
-        extraBefore+=("-Wl,-dynamic-linker=$NIX_DYNAMIC_LINKER_@suffixSalt@")
-    fi
     for i in $NIX_LDFLAGS_@suffixSalt@; do
         if [ "${i:0:3}" = -L/ ]; then
             extraAfter+=("$i")