Remove public headers path setting from the project

This was being inherited in the framework inappropriately, this removes the project setting because the static targets already have the value in their config and reverts the framework target back to the default.

Author: Keith Duncan

ObjectiveGitFramework.xcodeproj/project.pbxproj

@@ -1543,7 +1543,6 @@
 					"$(inherited)",
 					"-DGIT_SSH",
 				);
-				PUBLIC_HEADERS_FOLDER_PATH = include/ObjectiveGit;
 				TEST_AFTER_BUILD = NO;
 			};
 			name = Debug;
@@ -1568,7 +1567,6 @@
 					"$(inherited)",
 					"-DGIT_SSH",
 				);
-				PUBLIC_HEADERS_FOLDER_PATH = include/ObjectiveGit;
 				TEST_AFTER_BUILD = NO;
 			};
 			name = Release;
@@ -1677,7 +1675,6 @@
 					"$(inherited)",
 					"-DGIT_SSH",
 				);
-				PUBLIC_HEADERS_FOLDER_PATH = include/ObjectiveGit;
 				TEST_AFTER_BUILD = NO;
 			};
 			name = Profile;