OP-1666 deb tidy: Removed FORCE_COPY_QT

It does not really make sense because it is designed for OP Qt
which is copied by default if it exists.

Makefile

@@ -783,9 +783,6 @@ ifneq ($(strip $(filter package clean_package,$(MAKECMDGOALS))),)
     export PACKAGE_NAME := OpenPilot
     export PACKAGE_SEP  := -
 
-    # Copy the Qt libraries regardless whether the building machine needs them to run GCS
-    export FORCE_COPY_QT := true
-
     # We can only package release builds
     ifneq ($(GCS_BUILD_CONF),release)
         $(error Packaging is currently supported for release builds only)

ground/openpilotgcs/openpilotgcs.pri

@@ -120,11 +120,8 @@ macx {
         equals(QT_INSTALL_DIR, $$TOOLS_DIR) {
             copyqt = 1
         } else {
-            copyqt = 0 
+            copyqt = 0
         }
-
-        FORCE_COPY_QT = $$(FORCE_COPY_QT)
-        !isEmpty(FORCE_COPY_QT):copyqt = 1 
     }
     GCS_LIBRARY_PATH = $$GCS_BUILD_TREE/$$GCS_LIBRARY_BASENAME/openpilotgcs
     GCS_PLUGIN_PATH  = $$GCS_LIBRARY_PATH/plugins