message: build: Drop non-existent share/pkgconfig directory
diff: @@ -248,7 +248,6 @@ endef
  define $(package)_config_cmds
  export PKG_CONFIG_SYSROOT_DIR=/ && \
  export PKG_CONFIG_LIBDIR=$(host_prefix)/lib/pkgconfig && \
  - export PKG_CONFIG_PATH=$(host_prefix)/share/pkgconfig && \
  cd qtbase && \
  ./configure -top-level $($(package)_config_opts)
  endef
  