Bug#948105: Remove build dep on libuhttpmock-dev

severity 948105 serious thanks In #917104 uhttpmock has been filed for removal, but libgdata still uses it. uhttpmock has now been removed from testing/unstable, so libgdata's build-dependencies are no longer satisfiable.

Bug#948105: Remove build dep on libuhttpmock-dev

Source: libgdata Severity: important In #917104 uhttpmock has been filed for removal, but libgdata still uses it. Cheers, Moritz