freetype: remove dangling patch

[ericLemanissier]

since f8968bc

Specify library name and version: freetype/*

This is also a good place to share with all of us why you are submitting this PR (specially if it is a new addition to ConanCenter): is it a dependency of other libraries you want to package? Are you the author of the library? Thanks!

---

• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the
  conan-center hook activated.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 1 (e831e150ab6829f0023dda57df168d6e6f753491):

• freetype/2.11.1:
  All packages built successfully! (All logs)

• freetype/2.10.4:
  All packages built successfully! (All logs)

• freetype/2.12.1:
  All packages built successfully! (All logs)

---

Conan v2 pipeline ✔️

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

All green in build 1 (e831e150ab6829f0023dda57df168d6e6f753491):

• freetype/2.11.1:
  All packages built successfully! (All logs)

• freetype/2.10.4:
  All packages built successfully! (All logs)

• freetype/2.12.1:
  All packages built successfully! (All logs)