gitlab: remove redundant setting of PKG_CONFIG_PATH

The PKG_CONFIG_PATH variable is not defined in GitLab CI
envs and even if it was, we don't need to set it to its
existing value.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221103173044.3969425-2-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

.gitlab-ci.d/crossbuild-template.yml

@@ -6,8 +6,7 @@
   script:
     - mkdir build
     - cd build
-    - PKG_CONFIG_PATH=$PKG_CONFIG_PATH
-      ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
+    - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
         --disable-user --target-list-exclude="arm-softmmu cris-softmmu
           i386-softmmu microblaze-softmmu mips-softmmu mipsel-softmmu
           mips64-softmmu ppc-softmmu riscv32-softmmu sh4-softmmu
@@ -32,8 +31,7 @@
   script:
     - mkdir build
     - cd build
-    - PKG_CONFIG_PATH=$PKG_CONFIG_PATH
-      ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
+    - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
         --disable-tools --enable-${ACCEL:-kvm} $EXTRA_CONFIGURE_OPTS
     - make -j$(expr $(nproc) + 1) all check-build $MAKE_CHECK_ARGS
 
@@ -44,8 +42,7 @@
   script:
     - mkdir build
     - cd build
-    - PKG_CONFIG_PATH=$PKG_CONFIG_PATH
-      ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
+    - ../configure --enable-werror --disable-docs $QEMU_CONFIGURE_OPTS
         --disable-system --target-list-exclude="aarch64_be-linux-user
           alpha-linux-user cris-linux-user m68k-linux-user microblazeel-linux-user
           nios2-linux-user or1k-linux-user ppc-linux-user sparc-linux-user