OP-1853 Ground build tidy: remove old vcproj stuff we don't support and wouldn't work anyway

ground/openpilotgcs/openpilotgcs.pri

@@ -168,7 +168,6 @@ macx {
         MESAWIN_DIR = $$(MESAWIN_DIR)
         isEmpty(MESAWIN_DIR):MESAWIN_DIR = $${TOOLS_DIR}/mesawin
 
-        contains(TEMPLATE, vc.*)|contains(TEMPLATE_PREFIX, vc):vcproj = 1
         GCS_APP_TARGET   = openpilotgcs
 
         GCS_QT_PLUGINS_PATH = $$GCS_APP_PATH

ground/openpilotgcs/share/openpilotgcs/translations/translations.pro

@@ -40,27 +40,15 @@ LIBS =
 
 updateqm.input = TRANSLATIONS
 updateqm.output = $$GCS_DATA_PATH/translations/${QMAKE_FILE_BASE}.qm
-isEmpty(vcproj):updateqm.variable_out = PRE_TARGETDEPS
+updateqm.variable_out = PRE_TARGETDEPS
 updateqm.commands = $$LRELEASE ${QMAKE_FILE_IN} -qm ${QMAKE_FILE_OUT}
 updateqm.name = LRELEASE ${QMAKE_FILE_IN}
 updateqm.CONFIG += no_link
 QMAKE_EXTRA_COMPILERS += updateqm
 
-isEmpty(vcproj) {
-    QMAKE_LINK = @: IGNORE THIS LINE
-    OBJECTS_DIR =
-    win32:CONFIG -= embed_manifest_exe
-} else {
-    CONFIG += console
-    PHONY_DEPS = .
-    phony_src.input = PHONY_DEPS
-    phony_src.output = phony.c
-    phony_src.variable_out = GENERATED_SOURCES
-    phony_src.commands = echo int main() { return 0; } > phony.c
-    phony_src.name = CREATE phony.c
-    phony_src.CONFIG += combine
-    QMAKE_EXTRA_COMPILERS += phony_src
-}
+QMAKE_LINK = @: IGNORE THIS LINE
+OBJECTS_DIR =
+win32:CONFIG -= embed_manifest_exe
 
 qmfiles.files = $$prependAll(LANGUAGES, $$OUT_PWD/openpilotgcs_,.qm)
 qmfiles.path = /share/openpilotgcs/translations
@@ -79,7 +67,7 @@ QT_TRANSLATIONS = $$QtQmExists(LANGUAGES)
 
 copyQT_QMs.input = QT_TRANSLATIONS
 copyQT_QMs.output = $$GCS_DATA_PATH/translations/${QMAKE_FILE_BASE}.qm
-isEmpty(vcproj):copyQT_QMs.variable_out = PRE_TARGETDEPS
+copyQT_QMs.variable_out = PRE_TARGETDEPS
 copyQT_QMs.commands = $(COPY_FILE) ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
 copyQT_QMs.name = Copy ${QMAKE_FILE_IN}
 copyQT_QMs.CONFIG += no_link

ground/openpilotgcs/src/openpilotgcsplugin.pri

@@ -19,7 +19,7 @@ isEmpty(TARGET) {
 PLUGINSPECS = $${_PRO_FILE_PWD_}/$${TARGET}.pluginspec
 copy2build.input = PLUGINSPECS
 copy2build.output = $$DESTDIR/${QMAKE_FUNC_FILE_IN_stripSrcDir}
-isEmpty(vcproj):copy2build.variable_out = PRE_TARGETDEPS
+copy2build.variable_out = PRE_TARGETDEPS
 copy2build.commands = $$QMAKE_COPY ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
 copy2build.name = COPY ${QMAKE_FILE_IN}
 copy2build.CONFIG += no_link