Don't remove things from environment setup script

The environment setup script is helpful when compiling other
than Qt apps.

Task-number: QTEE-881
Change-Id: Iabfc5ef4b807ec19b13d575b4555b56024f57614
Reviewed-by: Kalle Viironen <kalle.viironen@theqtcompany.com>

recipes/meta/meta-toolchain-b2qt-embedded-sdk.bb

@@ -28,22 +28,3 @@ TOOLCHAIN_HOST_TASK = "nativesdk-packagegroup-b2qt-embedded-toolchain-host packa
 TOOLCHAIN_TARGET_TASK = "nativesdk-packagegroup-b2qt-embedded-toolchain-target"
 
 require recipes-core/meta/meta-toolchain.bb
-
-toolchain_create_sdk_env_script_append() {
-    sed -i -e '/export CC/d' $script
-    sed -i -e '/export CXX/d' $script
-    sed -i -e '/export CFLAGS/d' $script
-    sed -i -e '/export CXXFLAGS/d' $script
-    sed -i -e '/export LDFLAGS/d' $script
-    sed -i -e '/export CPPFLAGS/d' $script
-    sed -i -e '/export CFLAGS/d' $script
-    sed -i -e '/export CPP/d' $script
-    sed -i -e '/export AS/d' $script
-    sed -i -e '/export LD/d' $script
-    sed -i -e '/export STRIP/d' $script
-    sed -i -e '/export RANLIB/d' $script
-    sed -i -e '/export OBJCOPY/d' $script
-    sed -i -e '/export OBJDUMP/d' $script
-    sed -i -e '/export AR/d' $script
-    sed -i -e '/export NM/d' $script
-}