Revert "Add miniconda3 4.7.10"

This miniconda release appears to have been pulled

This reverts commit 5880a1d.

[#167442464]
Co-authored-by: Forest Eckhardt <feckhardt@pivotal.io>

Author: dfreilich

buildpack.toml.tmpl

@@ -17,15 +17,6 @@ stacks = ["org.cloudfoundry.stacks.cflinuxfs2","org.cloudfoundry.stacks.cflinuxf
 uri = "https://repo.continuum.io/miniconda/Miniconda3-4.6.14-Linux-x86_64.sh"
 version = "4.6.14"
 
-[[metadata.dependencies]]
-id = "miniconda3"
-sha256 = "8a324adcc9eaf1c09e22a992bb6234d91a94146840ee6b11c114ecadafc68121"
-source = "https://github.com/conda/conda/archive/4.7.10.tar.gz"
-source_sha256 = "8a324adcc9eaf1c09e22a992bb6234d91a94146840ee6b11c114ecadafc68121"
-stacks = ["org.cloudfoundry.stacks.cflinuxfs3","io.buildpacks.stacks.bionic"]
-uri = "https://repo.continuum.io/miniconda/Miniconda3-4.7.10-Linux-x86_64.sh"
-version = "4.7.10"
-
 [[stacks]]
 id = "org.cloudfoundry.stacks.cflinuxfs3"