Drop unnecessary versioned depends

debian/control

@@ -2,7 +2,7 @@ Source: notcurses
 Priority: optional
 Maintainer: Nick Black <dankamongmen@gmail.com>
 Build-Depends:
- cmake (>= 3.13),
+ cmake,
  debhelper-compat (= 12),
  dh-python (>= 4.20191017),
  dh-sequence-python3,
@@ -12,8 +12,8 @@ Build-Depends:
  libncurses-dev (>= 6.1),
  libswscale-dev (>= 5.0),
  pandoc (>= 1.19.2.4),
- pkg-config (>= 0.29),
- python3-all-dev (>= 3.2),
+ pkg-config,
+ python3-all-dev,
  python3-cffi (>= 1.13.2),
  python3-setuptools (>= 44.0.0),
 Standards-Version: 4.5.0